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CVE-2026-63077

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CVE-2026-63077 — JetBrains TeamCity: JetBrains TeamCity Deserialization of Untrusted Data Vulnerability

1. Executive summary CVE-2026-63077 is a critical (CVSS 9.8) deserialization of untrusted data vulnerability in JetBrains TeamCity On-Premises, enabling unauthenticated remote code

05 Aug 2026 · 6 min read read →

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Critical TeamCity Flaw Could Let Attackers Run OS Commands Without Logging In

1. Executive summary JetBrains has disclosed CVE-2026-63077, a CRITICAL vulnerability (CVSS 9.8, CWE-502 — Deserialization of Untrusted Data) affecting all TeamCity On-Premises

28 Jul 2026 · 6 min read read →

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