Vulnerability · Published May 29, 2026 · Assigned by JetBrains
CVE-2026-49371
High 7.1
In plain English
A high-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 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 81.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains TeamCity before 2026.1.1 reflected XSS in the keyword filter was possible
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N