CVE-2026-42354— Sentry: Improper authentication on SAML SSO process allows user identity linking
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I. Basic Information for CVE-2026-42354
Vulnerability Information
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Vulnerability Title
Sentry: Improper authentication on SAML SSO process allows user identity linking
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用欺骗进行的认证绕过
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-42354
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-42354
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