CVE-2026-111094

Deserialization Vulnerability Allows Remote Code Execution in TeamCity

Published Oct 15, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
In JetBrains TeamCity before 2026.2,
2026.1.4,
2025.11.8 remote code execution via a whitelist bypass in the build messages protocol was possible

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Deserialization Vulnerability Allows Remote Code Execution in TeamCity
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains teamcity
CPEs cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
Vendors & Products Jetbrains
Jetbrains teamcity
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 remote code execution via a whitelist bypass in the build messages protocol was possible
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Oct 16, 2026, 3:57 AM
Reserved
Oct 15, 2026, 3:20 PM
Status
Analyzed
Published
Oct 15, 2026, 4:17 PM
Modified
Oct 16, 2026, 7:19 PM