PT-2026-44951 · Jetbrains · Teamcity

Published 2026-05-29 · Updated 2026-06-02 · CVE-2026-49371

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions JetBrains TeamCity versions prior to 2026.1.1

Description A reflected Cross-Site Scripting (XSS) issue exists in the keyword filter. Reflected XSS occurs when an application receives data in an HTTP request and includes that data within the immediate response in an unsafe way, allowing an attacker to execute malicious scripts in the victim's browser.

Recommendations Update to version 2026.1.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-49371

Affected Products

Teamcity

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-49371 · Security Note
• https://jetbrains.com/privacy-security/issues-fixed · Vendor Advisory
• https://twitter.com/dailycve/status/2061674669816565842 · Twitter Post
• https://twitter.com/CVEnew/status/2060470682417303686 · Twitter Post
• https://t.me/cveNotify/165589 · Telegram Post