cvedb.io
CVE-2026-42354
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-05-08T23:16:38.513 · Last modified 2026-06-17T10:47:43.977

Summary

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.

Affected products

sentry — sentry

Does this affect you?

Add your gear to cvedb and we'll alert you only when sentry ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.