TeamCity CVE-2026-63077: unauthenticated RCE on the server that builds your software
A deserialization flaw (CWE-502) in JetBrains TeamCity On-Premises allows unauthenticated remote code execution (CVSS 9.8). Now on CISA's KEV: timeline, detection and CI/CD hardening.
By Thilina Manana · COO, Director Técnico de Seguridad hard2bit y socio fundador