CVE-2026-49381
Analyzed Analyzed - Analysis Complete
Stored XSS in JetBrains TeamCity SAML Login Page

Publication date: 2026-05-29

Last updated on: 2026-06-02

Assigner: JetBrains s.r.o.

Description
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
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Meta Information
Published
2026-05-29
Last Modified
2026-06-02
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-49381
EUVD
EUVD-2026-33389
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
jetbrains teamcity to 2026.1 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a stored Cross-Site Scripting (XSS) issue found in JetBrains TeamCity versions before 2026.1. It occurs on the SAML login page, where malicious scripts can be stored and later executed in the context of users visiting that page.

Impact Analysis

The impact of this vulnerability is limited due to its low CVSS score of 3.4. It requires network access, low attack complexity, and high privileges with user interaction. The vulnerability can lead to partial confidentiality loss but does not affect integrity or availability.

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