CVE-2026-63077: How A TeamCity Deserialization Flaw Opens The Door To RCE

CVE-2026-63077: How a TeamCity Deserialization Flaw Opens the Door to RCE

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CVE-2026-63077: How a TeamCity Deserialization Flaw Opens the Door to RCE
CVE-2026-63077 is a critical deserialization of untrusted data vulnerability in JetBrains TeamCity On-Premises. An unauthenticated attacker with HTTP(S) access to a vulnerable TeamCity server can abuse the agent polling protocol to bypass authentication checks and execute arbitrary operating system
cve-2026-63077
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Aug 24, 2026 at 07:19

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