CVE-2026-102899

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102899", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T17:34:42.743Z", "datePublished": "2026-10-14T18:57:50.768Z", "dateUpdated": "2026-10-15T14:23:19.741Z"}, "containers": {"cna": {"title": "Sentry: Improper authentication on SAML SSO process allows user identity linking", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/getsentry/sentry/security/advisories/GHSA-w699-8wff-fqxw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/getsentry/sentry/security/advisories/GHSA-w699-8wff-fqxw"}, {"name": "https://github.com/getsentry/sentry/pull/120467", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/pull/120467"}, {"name": "https://github.com/getsentry/sentry/pull/120702", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/pull/120702"}, {"name": "https://github.com/getsentry/sentry/commit/9c982d4bcb81c93e2db552084bcbb45cdd34bdd3", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/commit/9c982d4bcb81c93e2db552084bcbb45cdd34bdd3"}, {"name": "https://github.com/getsentry/sentry/commit/ec963de4ec8c7f340f286c6f613e55458a9e5ddf", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/commit/ec963de4ec8c7f340f286c6f613e55458a9e5ddf"}, {"name": "https://github.com/getsentry/self-hosted/releases/tag/26.7.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/self-hosted/releases/tag/26.7.2"}, {"name": "https://github.com/getsentry/sentry/releases/tag/26.7.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/releases/tag/26.7.2"}], "affected": [{"vendor": "getsentry", "product": "sentry", "versions": [{"version": ">= 26.5.0, < 26.7.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T18:57:50.768Z"}, "descriptions": [{"lang": "en", "value": "Sentry is an application monitoring and error tracking platform. From 26.5.0 until 26.7.2, the SAML SSO identity-linking flow allows an attacker who controls a SAML identity provider to socially engineer an authenticated user into opening a malicious URL, link the attacker's identity to the victim's Sentry account, and take control of that account. The attack requires a browser that accepts the cross-site cookie context, including Firefox with SameSite=None cookies or Chromium with third-party cookies enabled. Sentry SaaS received the remediation on July 27, 2026, and self-hosted Sentry is fixed in version 26.7.2."}], "source": {"advisory": "GHSA-w699-8wff-fqxw", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T14:22:26.114527Z", "id": "CVE-2026-102899", "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": "2026-10-15T14:23:19.741Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102899", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T17:34:42.743Z", "datePublished": "2026-10-14T18:57:50.768Z", "dateUpdated": "2026-10-15T14:23:19.741Z"}, "containers": {"cna": {"title": "Sentry: Improper authentication on SAML SSO process allows user identity linking", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/getsentry/sentry/security/advisories/GHSA-w699-8wff-fqxw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/getsentry/sentry/security/advisories/GHSA-w699-8wff-fqxw"}, {"name": "https://github.com/getsentry/sentry/pull/120467", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/pull/120467"}, {"name": "https://github.com/getsentry/sentry/pull/120702", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/pull/120702"}, {"name": "https://github.com/getsentry/sentry/commit/9c982d4bcb81c93e2db552084bcbb45cdd34bdd3", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/commit/9c982d4bcb81c93e2db552084bcbb45cdd34bdd3"}, {"name": "https://github.com/getsentry/sentry/commit/ec963de4ec8c7f340f286c6f613e55458a9e5ddf", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/commit/ec963de4ec8c7f340f286c6f613e55458a9e5ddf"}, {"name": "https://github.com/getsentry/self-hosted/releases/tag/26.7.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/self-hosted/releases/tag/26.7.2"}, {"name": "https://github.com/getsentry/sentry/releases/tag/26.7.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/getsentry/sentry/releases/tag/26.7.2"}], "affected": [{"vendor": "getsentry", "product": "sentry", "versions": [{"version": ">= 26.5.0, < 26.7.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T18:57:50.768Z"}, "descriptions": [{"lang": "en", "value": "Sentry is an application monitoring and error tracking platform. From 26.5.0 until 26.7.2, the SAML SSO identity-linking flow allows an attacker who controls a SAML identity provider to socially engineer an authenticated user into opening a malicious URL, link the attacker's identity to the victim's Sentry account, and take control of that account. The attack requires a browser that accepts the cross-site cookie context, including Firefox with SameSite=None cookies or Chromium with third-party cookies enabled. Sentry SaaS received the remediation on July 27, 2026, and self-hosted Sentry is fixed in version 26.7.2."}], "source": {"advisory": "GHSA-w699-8wff-fqxw", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-102899", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T14:22:26.114527Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T14:23:14.033Z"}}]}}

{"affected": [{"affectedData": [{"product": "sentry", "vendor": "getsentry", "versions": [{"status": "affected", "version": ">= 26.5.0, < 26.7.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Sentry is an application monitoring and error tracking platform. From 26.5.0 until 26.7.2, the SAML SSO identity-linking flow allows an attacker who controls a SAML identity provider to socially engineer an authenticated user into opening a malicious URL, link the attacker's identity to the victim's Sentry account, and take control of that account. The attack requires a browser that accepts the cross-site cookie context, including Firefox with SameSite=None cookies or Chromium with third-party cookies enabled. Sentry SaaS received the remediation on July 27, 2026, and self-hosted Sentry is fixed in version 26.7.2."}], "id": "CVE-2026-102899", "lastModified": "2026-10-16T16:00:33.533", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.6, "baseSeverity": "HIGH", "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:L/AT:P/PR:N/UI:P/VC:H/VI:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-102899", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T14:22:26.114527Z", "version": "2.0.3"}}]}, "published": "2026-10-14T19:17:06.170", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/getsentry/self-hosted/releases/tag/26.7.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/getsentry/sentry/commit/9c982d4bcb81c93e2db552084bcbb45cdd34bdd3"}, {"source": "security-advisories@github.com", "url": "https://github.com/getsentry/sentry/commit/ec963de4ec8c7f340f286c6f613e55458a9e5ddf"}, {"source": "security-advisories@github.com", "url": "https://github.com/getsentry/sentry/pull/120467"}, {"source": "security-advisories@github.com", "url": "https://github.com/getsentry/sentry/pull/120702"}, {"source": "security-advisories@github.com", "url": "https://github.com/getsentry/sentry/releases/tag/26.7.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/getsentry/sentry/security/advisories/GHSA-w699-8wff-fqxw"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[26.5.0,26.7.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "sentry", "source": "cna", "vendor": "getsentry"}, "product": "sentry", "vendor": "getsentry"}], "created": "2026-10-15T13:45:19.505665+00:00", "updated": "2026-10-22T22:45:13.634224+00:00", "vendors": ["getsentry", "getsentry$PRODUCT$sentry"]}