Report: CVE-2026-42354 - Sentry: Improper authentication on SAML SSO process allows user identity linking - Analysis

Report: CVE-2026-42354 - Sentry: Improper authentication on SAML SSO process allows user identity linking - Analysis

CVE ID :CVE-2026-42354 Published : May 8, 2026, 11:16 p.m. | 24 minutes ago Description :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. Severity: 9.1 | CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
CRITICAL
Published
May 8, 2026