CVE-2026-49376

Insufficient Username Validation in TeamCity SAML Plugin

Published May 29, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Insufficient Username Validation in TeamCity SAML Plugin
First Time appeared Jetbrains
Jetbrains teamcity
Vendors & Products Jetbrains
Jetbrains teamcity
Type Values Removed Values Added
Description In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
May 29, 2026, 7:29 PM
Reserved
May 29, 2026, 6:07 PM
Status
Analyzed
Published
May 29, 2026, 7:16 PM
Modified
Jul 22, 2026, 6:10 AM