CVE Explorer

CVE-2026-42354

Sentry is an error tracking and performance monitoring tool. From version 21.12.0 to before version 26.4.1, a critical vulnerability was discovered in the SAML SSO implementation of Sentry. The vulnerability allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same Sentry instance. The victim email address must be known in order to exploit this vulnerability. This issue has been patched in version 26.4.1.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:23c377b1d74de97271cf58c715ca27fab63c7225015b4138affaca5d36c82724

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"sentry","vendor":"getsentry","versions":[{"status":"affected","version":">= 21.12.0, < 26.4.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions

{"name":"https://github.com/getsentry/sentry/commit/0c67558ae7fe08738912d4c5233b53ead048da3b","tags":["x_refsource_MISC"],"url":"https://github.com/getsentry/sentry/commit/0c67558ae7fe08738912d4c5233b53ead048da3b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/references/2

{"name":"https://github.com/getsentry/sentry/pull/113720","tags":["x_refsource_MISC"],"url":"https://github.com/getsentry/sentry/pull/113720"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/references/1

{"name":"https://github.com/getsentry/sentry/releases/tag/26.4.1","tags":["x_refsource_MISC"],"url":"https://github.com/getsentry/sentry/releases/tag/26.4.1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/references/3

{"name":"https://github.com/getsentry/sentry/security/advisories/GHSA-rcmw-7mc7-3rj7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getsentry/sentry/security/advisories/GHSA-rcmw-7mc7-3rj7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:61c8d1ac3915a34c59e4c9fd54261e11e764ebfdc4cde4d2ba983cfe3ebc1728 · sha256:64f17c6d9a186c74… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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