9.8

CVE-2026-42354

Sentry: Improper authentication on SAML SSO process allows user identity linking

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sentry ≫ Sentry Version >= 21.12.0 < 26.4.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.62% 0.451
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
security-advisories@github.com 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

https://github.com/getsentry/sentry/security/advisories/GHSA-rcmw-7mc7-3rj7
Vendor Advisory
Mitigation
https://github.com/getsentry/sentry/pull/113720
Patch
Issue Tracking
https://github.com/getsentry/sentry/commit/0c67558ae7fe08738912d4c5233b53ead048da3b
Patch
https://github.com/getsentry/sentry/releases/tag/26.4.1
Product
Release Notes