TeamCity<2026.1 Insufficient Username Validation in SAML Plugin Assigner
CVE-2026-49376 Published on May 29, 2026
In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
Vulnerability Analysis
CVE-2026-49376 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-49376 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-49376
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Affected Versions
JetBrains TeamCity:- Before 2026.1 is affected.