PT-2026-44961 · Jetbrains · Teamcity

CVE-2026-49381 · Published 2026-05-29 · Updated 2026-07-22

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions JetBrains TeamCity versions prior to 2026.1

Description A stored cross-site scripting (XSS) issue exists on the SAML login page. Stored XSS occurs when an application receives data from a user and includes that data within its later HTTP responses in an unsafe way, allowing an attacker to execute malicious scripts in the victim's browser.

Recommendations Update to version 2026.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-49381

Affected Products

Teamcity

References · 5

• https://jetbrains.com/privacy-security/issues-fixed · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-49381 · Security Note
• https://t.me/cveNotify/165614 · Telegram Post
• https://t.me/cveNotify/211293 · Telegram Post
• https://twitter.com/CVEnew/status/2060470671189188698 · Twitter Post