CVE-2026-27197

CVE-2026-27197 · Sentry: Improper Authentication on SAML SSO process allows user identity linking

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Sentry is a developer-first error tracking and performance monitoring tool. Versions 21.12.0 through 26.1.0 have a critical vulnerability in its SAML SSO implementation which allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same Sentry instance. Self-hosted users are only at risk if the following criteria is met: ore than one organizations are configured (SENTRY_SINGLE_ORGANIZATION = True), or malicious user has existing access and permissions to modify SSO settings for another organization in a multo-organization instance. This issue has been fixed in version 26.2.0. To workaround this issue, implement user account-based two-factor authentication to prevent an attacker from being able to complete authentication with a victim's user account. Organization administrators cannot do this on a user's behalf, this requires individual users to ensure 2FA has been enabled for their account.

CVSS 9.1 · Kritisch · EPSS 0,5% · Korrektur verfügbar

Veröffentlicht

2026-02-21T04:35:14.635Z

Aktualisiert

2026-02-24T19:00:07.663Z

Technologie-Stack: python

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