CVE-2026-63077

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

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

94% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-25)

CISA KEV

listed 2026-08-05, due 2026-08-08, known ransomware use

CWE

CWE-502

Published

2026-07-27

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

Affected

• jetbrains:teamcity

References

• https://www.jetbrains.com/privacy-security/issues-fixed/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077

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