PT-2026-65062 · Jetbrains · Teamcity
CVE-2026-63077
·
Published
2026-07-27
·
Updated
2026-07-28
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
JetBrains TeamCity versions prior to 2026.1.3
JetBrains TeamCity versions prior to 2025.11.7
Description
An issue exists where unauthenticated remote code execution is possible. This allows attackers to execute operating system commands without logging in by bypassing authentication through the agent polling protocol, which is the communication method used by build agents to request tasks from the server.
Recommendations
Update to version 2026.1.3 or later.
Update to version 2025.11.7 or later.
Fix
Deserialization of Untrusted Data
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Weakness Enumeration
Related Identifiers
Affected Products
Teamcity