SB20260728118 - Improper Authentication in sentry

Description

This security bulletin contains information about 1 vulnerability.

1) Improper Authentication (CVE-ID: N/A)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to take control of any authenticated Sentry user account.

The vulnerability exists due to improper authentication in the SAML SSO process when handling a SAML login flow with an attacker-controlled identity provider and a malicious URL. A remote attacker can trick a user into clicking a crafted link to take control of any authenticated Sentry user account.

This issue affects users accessing the application with browsers that honor SameSite=None cookies, including Firefox, and Chromium-based browsers with third-party cookies enabled.

Remediation

Install update from vendor's website.

References

• https://github.com/getsentry/sentry/security/advisories/GHSA-w699-8wff-fqxw
• https://github.com/getsentry/sentry/pull/120467