CVE-2026-49371
Received
Received - Intake
Reflected XSS in JetBrains TeamCity
Publication date: 2026-05-29
Last updated on: 2026-05-29
Assigner: JetBrains s.r.o.
Description
Description
In JetBrains TeamCity before 2026.1.1 reflected XSS in the keyword filter was possible
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| jetbrains | teamcity | to 2026.1.1 (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 reflected Cross-Site Scripting (XSS) issue found in JetBrains TeamCity versions before 2026.1.1. It occurs in the keyword filter feature, where malicious input can be reflected back in the web interface without proper sanitization.
How can this vulnerability impact me? :
An attacker exploiting this reflected XSS vulnerability could execute malicious scripts in the context of the victim's browser. This can lead to theft of sensitive information, session hijacking, or performing actions on behalf of the user without their consent.
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