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Exploits
ID:12919 - Exploit for Deserialization of Untrusted Data in TeamCity - CVE-2026-63077
ID:12919 - Exploit for Deserialization of Untrusted Data in TeamCity - CVE-2026-63077
Published: August 14, 2026
Vulnerability identifier: #VU140627
Vulnerability risk: Critical
CVE-ID: CVE-2026-63077
CWE-ID: CWE-502
Exploitation vector: Remote access
Vulnerable software:
TeamCity
TeamCity
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to deserialization of untrusted data in the agent polling protocol when processing agent polling requests. A remote attacker can send specially crafted protocol data to execute arbitrary code.
Remediation
Install security update from vendor's website.