PT-2026-44956 · Jetbrains · Teamcity

Published 2026-05-29 · Updated 2026-06-02 · CVE-2026-49376

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions JetBrains TeamCity versions prior to 2026.1

Description Insufficient username validation exists within the SAML plugin, which is a module used for Security Assertion Markup Language (SAML) authentication to enable single sign-on capabilities.

Recommendations Update to version 2026.1. As a temporary workaround, restrict the use of the SAML plugin until the update is applied.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-49376

Affected Products

Teamcity

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-49376 · Security Note
• https://jetbrains.com/privacy-security/issues-fixed · Vendor Advisory
• https://twitter.com/CVEnew/status/2060470676683669901 · Twitter Post
• https://twitter.com/dailycve/status/2061807266844545478 · Twitter Post
• https://t.me/cveNotify/165620 · Telegram Post