CVE-2026-106460

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-106460", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-06T16:49:40.591Z", "datePublished": "2026-10-06T20:22:31.994Z", "dateUpdated": "2026-10-09T01:48:01.580Z"}, "containers": {"cna": {"title": "Backstage: Explicit negative email verification can be ignored during shared OAuth profile normalization", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/backstage/backstage/security/advisories/GHSA-xm5q-p7w3-x6cp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-xm5q-p7w3-x6cp"}, {"name": "https://github.com/backstage/backstage/commit/507e65ab9160aae6b602513dbfaebdd6be0ca8bb", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/commit/507e65ab9160aae6b602513dbfaebdd6be0ca8bb"}, {"name": "https://github.com/backstage/backstage/commit/f0a43dacd1b501064da042b43eab9c1e06371d38", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/commit/f0a43dacd1b501064da042b43eab9c1e06371d38"}, {"name": "https://github.com/backstage/backstage/commit/fc5e30aba8ea7282ed3658c3b985cec71051cf9d", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/commit/fc5e30aba8ea7282ed3658c3b985cec71051cf9d"}, {"name": "https://github.com/backstage/backstage/releases/tag/v1.49.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/releases/tag/v1.49.7"}, {"name": "https://github.com/backstage/backstage/releases/tag/v1.54.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/releases/tag/v1.54.7"}], "affected": [{"vendor": "backstage", "product": "backstage", "versions": [{"version": ">= 1.18.0, < 1.49.7", "status": "affected"}, {"version": ">= 1.50.0-next.0, < 1.54.7", "status": "affected"}]}, {"vendor": "@backstage", "product": "plugin-auth-node", "versions": [{"version": ">= 0.3.0, < 0.6.15", "status": "affected"}, {"version": ">= 0.7.0, < 0.7.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-06T20:22:31.994Z"}, "descriptions": [{"lang": "en", "value": "Backstage is an open framework for building developer portals. From 0.3.0 until 0.6.15 and 0.7.5, the @backstage/plugin-auth-node package did not consistently honor explicit negative email verification during shared OAuth profile normalization. The affected paths include a selected profile email marked verified: false, a matching raw provider email marked email_verified: false, and an email obtained only from an ID token marked email_verified: false. Exploitation requires an admitted identity-provider user who can supply or change an unverified email and a deployment that uses the selected profile email to resolve catalog identities. The verification metadata must apply to the selected email; an absent email_verified claim alone is not affected. In an affected configuration, the user may assume another catalog identity and obtain its associated access and permissions. This issue is fixed in versions 0.6.15 and 0.7.5."}], "source": {"advisory": "GHSA-xm5q-p7w3-x6cp", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-09T01:47:50.662934Z", "id": "CVE-2026-106460", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-09T01:48:01.580Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-106460", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-09T01:47:50.662934Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-09T01:47:57.727Z"}}], "cna": {"title": "Backstage: Explicit negative email verification can be ignored during shared OAuth profile normalization", "source": {"advisory": "GHSA-xm5q-p7w3-x6cp", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "backstage", "product": "backstage", "versions": [{"status": "affected", "version": ">= 1.18.0, < 1.49.7"}, {"status": "affected", "version": ">= 1.50.0-next.0, < 1.54.7"}]}, {"vendor": "@backstage", "product": "plugin-auth-node", "versions": [{"status": "affected", "version": ">= 0.3.0, < 0.6.15"}, {"status": "affected", "version": ">= 0.7.0, < 0.7.5"}]}], "references": [{"url": "https://github.com/backstage/backstage/security/advisories/GHSA-xm5q-p7w3-x6cp", "name": "https://github.com/backstage/backstage/security/advisories/GHSA-xm5q-p7w3-x6cp", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/backstage/backstage/commit/507e65ab9160aae6b602513dbfaebdd6be0ca8bb", "name": "https://github.com/backstage/backstage/commit/507e65ab9160aae6b602513dbfaebdd6be0ca8bb", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/backstage/backstage/commit/f0a43dacd1b501064da042b43eab9c1e06371d38", "name": "https://github.com/backstage/backstage/commit/f0a43dacd1b501064da042b43eab9c1e06371d38", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/backstage/backstage/commit/fc5e30aba8ea7282ed3658c3b985cec71051cf9d", "name": "https://github.com/backstage/backstage/commit/fc5e30aba8ea7282ed3658c3b985cec71051cf9d", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/backstage/backstage/releases/tag/v1.49.7", "name": "https://github.com/backstage/backstage/releases/tag/v1.49.7", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/backstage/backstage/releases/tag/v1.54.7", "name": "https://github.com/backstage/backstage/releases/tag/v1.54.7", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Backstage is an open framework for building developer portals. From 0.3.0 until 0.6.15 and 0.7.5, the @backstage/plugin-auth-node package did not consistently honor explicit negative email verification during shared OAuth profile normalization. The affected paths include a selected profile email marked verified: false, a matching raw provider email marked email_verified: false, and an email obtained only from an ID token marked email_verified: false. Exploitation requires an admitted identity-provider user who can supply or change an unverified email and a deployment that uses the selected profile email to resolve catalog identities. The verification metadata must apply to the selected email; an absent email_verified claim alone is not affected. In an affected configuration, the user may assume another catalog identity and obtain its associated access and permissions. This issue is fixed in versions 0.6.15 and 0.7.5."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287: Improper Authentication"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-06T20:22:31.994Z"}}}, "cveMetadata": {"cveId": "CVE-2026-106460", "state": "PUBLISHED", "dateUpdated": "2026-10-09T01:48:01.580Z", "dateReserved": "2026-10-06T16:49:40.591Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-06T20:22:31.994Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "backstage", "vendor": "backstage", "versions": [{"status": "affected", "version": ">= 1.18.0, < 1.49.7"}, {"status": "affected", "version": ">= 1.50.0-next.0, < 1.54.7"}]}, {"product": "plugin-auth-node", "vendor": "@backstage", "versions": [{"status": "affected", "version": ">= 0.3.0, < 0.6.15"}, {"status": "affected", "version": ">= 0.7.0, < 0.7.5"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:backstage\\/plugin-auth-node:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "5583EBF7-5901-40AC-BACD-2DC241145A6F", "versionEndExcluding": "0.6.15", "versionStartIncluding": "0.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:linuxfoundation:backstage\\/plugin-auth-node:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "06836EA8-FA97-43F9-97A8-24BFC71895DB", "versionEndExcluding": "0.7.5", "versionStartIncluding": "0.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*", "matchCriteriaId": "D0BBCD77-5C80-496F-B9E3-65859A3F0972", "versionEndExcluding": "0.5.15", "versionStartIncluding": "0.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Backstage is an open framework for building developer portals. From 0.3.0 until 0.6.15 and 0.7.5, the @backstage/plugin-auth-node package did not consistently honor explicit negative email verification during shared OAuth profile normalization. The affected paths include a selected profile email marked verified: false, a matching raw provider email marked email_verified: false, and an email obtained only from an ID token marked email_verified: false. Exploitation requires an admitted identity-provider user who can supply or change an unverified email and a deployment that uses the selected profile email to resolve catalog identities. The verification metadata must apply to the selected email; an absent email_verified claim alone is not affected. In an affected configuration, the user may assume another catalog identity and obtain its associated access and permissions. This issue is fixed in versions 0.6.15 and 0.7.5."}], "id": "CVE-2026-106460", "lastModified": "2026-10-27T20:41:12.000", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-106460", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-09T01:47:50.662934Z", "version": "2.0.3"}}]}, "published": "2026-10-06T21:17:16.707", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/backstage/backstage/commit/507e65ab9160aae6b602513dbfaebdd6be0ca8bb"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/backstage/backstage/commit/f0a43dacd1b501064da042b43eab9c1e06371d38"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/backstage/backstage/commit/fc5e30aba8ea7282ed3658c3b985cec71051cf9d"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes"], "url": "https://github.com/backstage/backstage/releases/tag/v1.49.7"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes"], "url": "https://github.com/backstage/backstage/releases/tag/v1.54.7"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-xm5q-p7w3-x6cp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "@backstage/plugin-auth-node: @backstage/plugin-auth-node: Privilege escalation via improper email verification", "id": "2547186", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547186"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-290", "details": ["A flaw was found in the @backstage/plugin-auth-node package. This vulnerability allows an authenticated attacker to achieve privilege escalation by assuming another user's catalog identity and gaining their access permissions. The issue occurs because the component does not consistently enforce negative email verification statuses during Open Authorization (OAuth) profile normalization. In deployments configured to resolve catalog identities using profile email addresses, an attacker capable of providing an unverified email address can hijack another user's account."], "name": "CVE-2026-106460", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/red-hat-developer-hub-backstage-plugin-lightspeed-backend", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/red-hat-developer-hub-backstage-plugin-orchestrator-backend", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/red-hat-developer-hub-backstage-plugin-orchestrator-backend-module-loki", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/red-hat-developer-hub-backstage-plugin-scaffolder-backend-module-orchestrator", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/bootc-automation-portal-rhel9", "product_name": "Self-service automation portal 2"}], "public_date": "2026-10-06T20:22:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-106460\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-106460\nhttps://github.com/backstage/backstage/commit/507e65ab9160aae6b602513dbfaebdd6be0ca8bb\nhttps://github.com/backstage/backstage/commit/f0a43dacd1b501064da042b43eab9c1e06371d38\nhttps://github.com/backstage/backstage/commit/fc5e30aba8ea7282ed3658c3b985cec71051cf9d\nhttps://github.com/backstage/backstage/releases/tag/v1.49.7\nhttps://github.com/backstage/backstage/releases/tag/v1.54.7\nhttps://github.com/backstage/backstage/security/advisories/GHSA-xm5q-p7w3-x6cp"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.18.0,1.49.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.50.0-next.0,1.54.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "backstage", "source": "cna", "vendor": "backstage"}, "product": "backstage", "vendor": "backstage"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.3.0,0.6.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.7.0,0.7.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "plugin-auth-node", "source": "cna", "vendor": "@backstage"}, "product": "plugin-auth-node", "vendor": "backstage"}], "created": "2026-10-07T00:15:07.176695+00:00", "updated": "2026-10-09T08:31:40.852691+00:00", "vendors": ["backstage", "backstage$PRODUCT$backstage", "backstage$PRODUCT$plugin-auth-node"]}