Vulnerability · Published May 29, 2026 · Assigned by JetBrains
CVE-2026-49377
Medium 4.3
In plain English
A medium-severity security flaw 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 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.7%top 46.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains TeamCity before 2025.11.2 exposure of sensitive data via default agent parameters
Affected products (as reported)
Weakness: CWE-526 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N