CVE-2026-81637

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81637", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-09-11T18:15:01.808Z", "datePublished": "2026-09-17T13:09:06.571Z", "dateUpdated": "2026-09-17T18:26:58.389Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshAuthentication.Strategy.OAuth2.Plug'"], "packageName": "ash_authentication", "packageURL": "pkg:hex/ash_authentication", "product": "ash_authentication", "programFiles": ["lib/ash_authentication/strategies/oauth2/plug.ex"], "programRoutines": [{"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':callback/2"}, {"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':request/2"}], "repo": "https://github.com/team-alembic/ash_authentication", "vendor": "team-alembic", "versions": [{"lessThan": "4.15.0", "status": "affected", "version": "0.6.0", "versionType": "semver"}, {"lessThan": "5.0.0-rc.14", "status": "affected", "version": "5.0.0-rc.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshAuthentication.Strategy.OAuth2.Plug'"], "packageName": "team-alembic/ash_authentication", "packageURL": "pkg:github/team-alembic/ash_authentication", "product": "ash_authentication", "programFiles": ["lib/ash_authentication/strategies/oauth2/plug.ex"], "programRoutines": [{"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':callback/2"}, {"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':request/2"}], "repo": "https://github.com/team-alembic/ash_authentication", "vendor": "team-alembic", "versions": [{"changes": [{"at": "bd4352303bc9d72d007f6818775267585a4bcc2f", "status": "unaffected"}, {"at": "d7f939cd02bd618bcaa304631846fa75ffc419d7", "status": "unaffected"}], "lessThan": "*", "status": "affected", "version": "c5f589058e04239263f50a1430eb17ea6d5dd1a2", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.15.0", "versionStartIncluding": "0.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.0.0-rc.14", "versionStartIncluding": "5.0.0-rc.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "reporter", "value": "Peter Ullrich"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "remediation developer", "value": "James Harton"}], "dateAssigned": "2026-09-11T18:16:32.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 <code>state</code> value to replay the callback and sign that victim into an attacker-controlled account.</p>\n<p><code>AshAuthentication.Strategy.OAuth2.Plug.callback/2</code> clears the stored <code>session_params</code> through a rebinding step inside its <code>with</code> chain, <code>conn &lt;- delete_session(conn, session_key)</code>. Elixir evaluates the <code>else</code> block in the scope enclosing the <code>with</code>, so every failure path (the provider returning <code>?error=access_denied</code>, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches <code>store_authentication_result/2</code> holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.</p>\n<p>This issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.</p>"}, {"base64": false, "type": "text/markdown", "value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 `state` value to replay the callback and sign that victim into an attacker-controlled account.\n\n`AshAuthentication.Strategy.OAuth2.Plug.callback/2` clears the stored `session_params` through a rebinding step inside its `with` chain, `conn <- delete_session(conn, session_key)`. Elixir evaluates the `else` block in the scope enclosing the `with`, so every failure path (the provider returning `?error=access_denied`, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches `store_authentication_result/2` holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.\n\nThis issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14."}], "value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 state value to replay the callback and sign that victim into an attacker-controlled account.\n\nAshAuthentication.Strategy.OAuth2.Plug.callback/2 clears the stored session_params through a rebinding step inside its with chain, conn <- delete_session(conn, session_key). Elixir evaluates the else block in the scope enclosing the with, so every failure path (the provider returning ?error=access_denied, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches store_authentication_result/2 holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.\n\nThis issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14."}], "impacts": [{"capecId": "CAPEC-60", "descriptions": [{"lang": "en", "value": "CAPEC-60 Reusing Session IDs (aka Session Replay)"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 2.3, "baseSeverity": "LOW", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-613", "description": "CWE-613 Insufficient Session Expiration", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-09-17T13:09:06.571Z"}, "references": [{"tags": ["vendor-advisory", "related"], "url": "https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-3vcj-gxx8-3p44"}, {"name": "EEF CNA record for CVE-2026-81637", "tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-81637.html"}, {"name": "OSV record EEF-CVE-2026-81637", "tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-81637"}, {"name": "Introducing commit c5f5890 in team-alembic/ash_authentication", "tags": ["related"], "url": "https://github.com/team-alembic/ash_authentication/commit/c5f589058e04239263f50a1430eb17ea6d5dd1a2"}, {"name": "Fix commit bd43523 in team-alembic/ash_authentication", "tags": ["patch"], "url": "https://github.com/team-alembic/ash_authentication/commit/bd4352303bc9d72d007f6818775267585a4bcc2f"}, {"name": "Fix commit d7f939c in team-alembic/ash_authentication", "tags": ["patch"], "url": "https://github.com/team-alembic/ash_authentication/commit/d7f939cd02bd618bcaa304631846fa75ffc419d7"}], "source": {"discovery": "INTERNAL"}, "title": "Replayable OAuth2 CSRF state retained after a failed callback in AshAuthentication"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-17T18:26:48.969731Z", "id": "CVE-2026-81637", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T18:26:58.389Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-81637", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-17T18:26:48.969731Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T18:26:54.773Z"}}], "cna": {"title": "Replayable OAuth2 CSRF state retained after a failed callback in AshAuthentication", "source": {"discovery": "INTERNAL"}, "credits": [{"lang": "en", "type": "reporter", "value": "Peter Ullrich"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "remediation developer", "value": "James Harton"}], "impacts": [{"capecId": "CAPEC-60", "descriptions": [{"lang": "en", "value": "CAPEC-60 Reusing Session IDs (aka Session Replay)"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 2.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"], "repo": "https://github.com/team-alembic/ash_authentication", "vendor": "team-alembic", "modules": ["'Elixir.AshAuthentication.Strategy.OAuth2.Plug'"], "product": "ash_authentication", "versions": [{"status": "affected", "version": "0.6.0", "lessThan": "4.15.0", "versionType": "semver"}, {"status": "affected", "version": "5.0.0-rc.0", "lessThan": "5.0.0-rc.14", "versionType": "semver"}], "packageURL": "pkg:hex/ash_authentication", "packageName": "ash_authentication", "programFiles": ["lib/ash_authentication/strategies/oauth2/plug.ex"], "collectionURL": "https://repo.hex.pm", "defaultStatus": "unaffected", "programRoutines": [{"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':callback/2"}, {"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':request/2"}]}, {"cpes": ["cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"], "repo": "https://github.com/team-alembic/ash_authentication", "vendor": "team-alembic", "modules": ["'Elixir.AshAuthentication.Strategy.OAuth2.Plug'"], "product": "ash_authentication", "versions": [{"status": "affected", "changes": [{"at": "bd4352303bc9d72d007f6818775267585a4bcc2f", "status": "unaffected"}, {"at": "d7f939cd02bd618bcaa304631846fa75ffc419d7", "status": "unaffected"}], "version": "c5f589058e04239263f50a1430eb17ea6d5dd1a2", "lessThan": "*", "versionType": "git"}], "packageURL": "pkg:github/team-alembic/ash_authentication", "packageName": "team-alembic/ash_authentication", "programFiles": ["lib/ash_authentication/strategies/oauth2/plug.ex"], "collectionURL": "https://github.com", "defaultStatus": "unaffected", "programRoutines": [{"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':callback/2"}, {"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':request/2"}]}], "references": [{"url": "https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-3vcj-gxx8-3p44", "tags": ["vendor-advisory", "related"]}, {"url": "https://cna.erlef.org/cves/CVE-2026-81637.html", "name": "EEF CNA record for CVE-2026-81637", "tags": ["related"]}, {"url": "https://osv.dev/vulnerability/EEF-CVE-2026-81637", "name": "OSV record EEF-CVE-2026-81637", "tags": ["related"]}, {"url": "https://github.com/team-alembic/ash_authentication/commit/c5f589058e04239263f50a1430eb17ea6d5dd1a2", "name": "Introducing commit c5f5890 in team-alembic/ash_authentication", "tags": ["related"]}, {"url": "https://github.com/team-alembic/ash_authentication/commit/bd4352303bc9d72d007f6818775267585a4bcc2f", "name": "Fix commit bd43523 in team-alembic/ash_authentication", "tags": ["patch"]}, {"url": "https://github.com/team-alembic/ash_authentication/commit/d7f939cd02bd618bcaa304631846fa75ffc419d7", "name": "Fix commit d7f939c in team-alembic/ash_authentication", "tags": ["patch"]}], "dateAssigned": "2026-09-11T18:16:32.000Z", "descriptions": [{"lang": "en", "value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 state value to replay the callback and sign that victim into an attacker-controlled account.\n\nAshAuthentication.Strategy.OAuth2.Plug.callback/2 clears the stored session_params through a rebinding step inside its with chain, conn <- delete_session(conn, session_key). Elixir evaluates the else block in the scope enclosing the with, so every failure path (the provider returning ?error=access_denied, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches store_authentication_result/2 holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.\n\nThis issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.", "supportingMedia": [{"type": "text/html", "value": "<p>Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 <code>state</code> value to replay the callback and sign that victim into an attacker-controlled account.</p>\n<p><code>AshAuthentication.Strategy.OAuth2.Plug.callback/2</code> clears the stored <code>session_params</code> through a rebinding step inside its <code>with</code> chain, <code>conn &lt;- delete_session(conn, session_key)</code>. Elixir evaluates the <code>else</code> block in the scope enclosing the <code>with</code>, so every failure path (the provider returning <code>?error=access_denied</code>, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches <code>store_authentication_result/2</code> holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.</p>\n<p>This issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.</p>", "base64": false}, {"type": "text/markdown", "value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 `state` value to replay the callback and sign that victim into an attacker-controlled account.\n\n`AshAuthentication.Strategy.OAuth2.Plug.callback/2` clears the stored `session_params` through a rebinding step inside its `with` chain, `conn <- delete_session(conn, session_key)`. Elixir evaluates the `else` block in the scope enclosing the `with`, so every failure path (the provider returning `?error=access_denied`, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches `store_authentication_result/2` holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.\n\nThis issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-613", "description": "CWE-613 Insufficient Session Expiration"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.15.0", "versionStartIncluding": "0.6.0"}, {"criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.0.0-rc.14", "versionStartIncluding": "5.0.0-rc.0"}], "operator": "OR"}], "operator": "AND"}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-09-17T13:09:06.571Z"}}}, "cveMetadata": {"cveId": "CVE-2026-81637", "state": "PUBLISHED", "dateUpdated": "2026-09-17T18:26:58.389Z", "dateReserved": "2026-09-11T18:15:01.808Z", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "datePublished": "2026-09-17T13:09:06.571Z", "assignerShortName": "EEF"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshAuthentication.Strategy.OAuth2.Plug'"], "packageName": "ash_authentication", "packageURL": "pkg:hex/ash_authentication", "product": "ash_authentication", "programFiles": ["lib/ash_authentication/strategies/oauth2/plug.ex"], "programRoutines": [{"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':callback/2"}, {"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':request/2"}], "repo": "https://github.com/team-alembic/ash_authentication", "vendor": "team-alembic", "versions": [{"lessThan": "4.15.0", "status": "affected", "version": "0.6.0", "versionType": "semver"}, {"lessThan": "5.0.0-rc.14", "status": "affected", "version": "5.0.0-rc.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshAuthentication.Strategy.OAuth2.Plug'"], "packageName": "team-alembic/ash_authentication", "packageURL": "pkg:github/team-alembic/ash_authentication", "product": "ash_authentication", "programFiles": ["lib/ash_authentication/strategies/oauth2/plug.ex"], "programRoutines": [{"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':callback/2"}, {"name": "'Elixir.AshAuthentication.Strategy.OAuth2.Plug':request/2"}], "repo": "https://github.com/team-alembic/ash_authentication", "vendor": "team-alembic", "versions": [{"changes": [{"at": "bd4352303bc9d72d007f6818775267585a4bcc2f", "status": "unaffected"}, {"at": "d7f939cd02bd618bcaa304631846fa75ffc419d7", "status": "unaffected"}], "lessThan": "*", "status": "affected", "version": "c5f589058e04239263f50a1430eb17ea6d5dd1a2", "versionType": "git"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication allows an attacker who obtains a victim's OAuth2 state value to replay the callback and sign that victim into an attacker-controlled account.\n\nAshAuthentication.Strategy.OAuth2.Plug.callback/2 clears the stored session_params through a rebinding step inside its with chain, conn <- delete_session(conn, session_key). Elixir evaluates the else block in the scope enclosing the with, so every failure path (the provider returning ?error=access_denied, an invalid code, a token-exchange error, or a registration or sign-in failure) reaches store_authentication_result/2 holding the original connection and the session entry is never removed. The value the module's own comment describes as protection against a CSRF-related attack is therefore consumed only when authentication succeeds, and survives a cancelled or failed attempt until the next request phase or session expiry.\n\nThis issue affects ash_authentication: from 0.6.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14."}], "id": "CVE-2026-81637", "lastModified": "2026-09-18T18:16:18.527", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-81637", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-17T18:26:48.969731Z", "version": "2.0.3"}}]}, "published": "2026-09-17T14:17:32.140", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-81637.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/team-alembic/ash_authentication/commit/bd4352303bc9d72d007f6818775267585a4bcc2f"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/team-alembic/ash_authentication/commit/c5f589058e04239263f50a1430eb17ea6d5dd1a2"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/team-alembic/ash_authentication/commit/d7f939cd02bd618bcaa304631846fa75ffc419d7"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-3vcj-gxx8-3p44"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-81637"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-613"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.6.0,4.15.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0-rc.0,5.0.0-rc.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c5f589058e04239263f50a1430eb17ea6d5dd1a2,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "ash_authentication", "vendor": "team-alembic"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.6.0,4.15.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0-rc.0,5.0.0-rc.14)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ash_authentication", "source": "cna", "vendor": "team-alembic"}, "product": "ash_authentication", "vendor": "team-alembic"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c5f589058e04239263f50a1430eb17ea6d5dd1a2,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ash_authentication", "source": "cna", "vendor": "team-alembic"}, "product": "ash_authentication", "vendor": "team-alembic"}], "created": "2026-09-17T22:30:17.005213+00:00", "updated": "2026-09-18T01:45:16.625573+00:00", "vendors": ["team-alembic", "team-alembic$PRODUCT$ash_authentication"]}