Vulnerability · Published May 29, 2026 · Assigned by JetBrains

CVE-2026-49381

Low 3.4

In plain English

A low-severity cross-site scripting in TeamCity from JetBrains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)3.4Low
Exploit odds (30 days)0.2%top 90.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible

Affected products (as reported)

VendorProductVersions
JetBrains TeamCity 0 – before 2026.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N

References