CVE-2026-63077

Critical KEV · actively exploited PoC available

CVSS base score

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Vendor

jetbrains

Product

teamcity

Affected

jetbrains teamcity

Weakness

CWE-502 · Deserialization

Published

Jul 27, 2026

Last modified

Aug 6, 2026

CVSS version

v3.1

Views

// References & exploits