CVE-2026-49381
Received
Received - Intake
Stored XSS in JetBrains TeamCity SAML Login Page
Publication date: 2026-05-29
Last updated on: 2026-05-29
Assigner: JetBrains s.r.o.
Description
Description
In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| jetbrains | teamcity | * |
| jetbrains | teamcity | to 2026.1 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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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