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Permalink CVE-2026-42354
9.1 CRITICAL
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): None (N)
updated 2 weeks, 1 day ago by @mweinelt Activity log
  • Created suggestion
  • @mweinelt ignored
    14 packages
    • sentry-cli
    • sentry-native
    • terraform-providers.sentry
    • python312Packages.sentry-sdk
    • python312Packages.typesentry
    • python313Packages.sentry-sdk
    • python313Packages.typesentry
    • python314Packages.sentry-sdk
    • python312Packages.policy-sentry
    • python313Packages.policy-sentry
    • python314Packages.policy-sentry
    • terraform-providers.jianyuan_sentry
    • home-assistant-component-tests.sentry
    • grafanaPlugins.grafana-sentry-datasource
  • @mweinelt dismissed (not in Nixpkgs)
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.

Affected products

sentry
  • ==>= 21.12.0, < 26.4.1
Ignored packages (14)