CVE-2026-63077

critical

Description

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

References

References
More

https://www.helpnetsecurity.com/2026/07/28/teamcity-rce-cve-2026-63077-fixed/

https://thehackernews.com/2026/07/critical-teamcity-flaw-could-let.html

https://securityaffairs.com/196169/security/jetbrains-patches-cvss-9-8-teamcity-flaw-allowing-server-takeover.html

https://www.jetbrains.com/privacy-security/issues-fixed/

Details

Source: Mitre, NVD

Published: 2026-07-27

Updated: 2026-07-28

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00649