JetBrains TeamCity < 2026.1.3, 2025.11.7 - Remote Code Execution

JetBrains TeamCity 2026.1.3, 2025.11.7 contains a remote code execution caused by unauthenticated access via the agent polling protocol, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication. id: CVE-2026-63077 info: name: JetBrains TeamCity 2026.1....

CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation in the Wild

A newly patched security flaw impacting on-premise versions of JetBrains TeamCity has come under active exploitation in the wild, according to the U.S. Cybersecurity and Infrastructure Security Agency CISA. The vulnerability in question is CVE-2026-63077 CVSS score: 9.8, a case of deserialization...

VulnCheck KEV: CVE-2026-63077

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol...

JetBrains TeamCity Deserialization of Untrusted Data Vulnerability

JetBrains TeamCity contains a deserialization of untrusted data vulnerability that could allow unauthenticated remote code execution via the agent polling protocol...

JetBrains TeamCity < 2025.11.7 / 2026.1.x < 2026.1.3 RCE (CVE-2026-63077)

The version of JetBrains TeamCity installed on the remote host is prior to 2025.11.7 or 2026.1.x prior to 2026.1.3. It is, therefore, affected by a vulnerability: - Unauthenticated remote code execution was possible via the agent polling protocol. CVE-2026-63077 Note that Nessus has not tested fo...

CVE-2026-63077

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol...

CVE-2026-63077

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol...

CVE-2026-63077

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol...

EUVD-2026-49369

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol...

CVE-2026-63077

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol...

CVE-2026-63077

CVE-2026-63077 affects JetBrains TeamCity On-Premises: unauthenticated remote code execution via deserialization of untrusted data in the agent polling protocol. Affected are TeamCity versions prior to 2025.11.7 and prior to 2026.1.3. The root cause is deserialization of untrusted data that allow...

PT-2026-65062

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 withou...