Sentry is an error tracking and performance monitoring tool.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. May 8, 2026 · NIST NVD

   Detected

   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 ord

2. Jul 24, 2026 · NIST NVD

   Updated

   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 ord

Affected

• cpe sentry/sentryversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-42354

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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 SA

  nvd.nist.gov

References

• Patch · github.com
• Issue Tracking · github.com
• Product · github.com
• Mitigation · github.com