Critical Sentry Vulnerability Allowed Account Takeovers

Summary: A critical vulnerability in the SAML single sign-on (SSO) implementation of the Sentry platform could have allowed attackers to hijack user accounts. Tracked as CVE-2025-22146 with a CVSS score of 9.1, the flaw was due to improper authentication, enabling malicious actors to impersonate users on shared instances. Sentry has released a patch in version 25.1.0 to address this vulnerability, urging users to upgrade promptly.

Threat Actor: Malicious Actors | malicious actors
Victim: Sentry Users | Sentry users

Keypoints :

  • Vulnerability tracked as CVE-2025-22146 with a CVSS score of 9.1.
  • Attackers could impersonate users by exploiting improper authentication in SAML SSO.
  • Users are urged to upgrade to version 25.1.0 or later to mitigate risks.

Source: https://securityonline.info/cve-2025-22146-cvss-9-1-critical-sentry-vulnerability-allowed-account-takeovers/