CVE-2026-63077

Published Jul 27, 2026 CVSS 3.1 · 9.8 Critical EPSS 94.9% KEV · Listed
Description
In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol

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 Unauthenticated Remote Code Execution via Agent Polling in TeamCity
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in TeamCity
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in JetBrains TeamCity
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in JetBrains TeamCity
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via TeamCity Agent Polling Protocol
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via TeamCity Agent Polling Protocol
Type Values Removed Values Added
Title JetBrains TeamCity Unauthenticated Remote Code Execution via Agent Polling
Type Values Removed Values Added
Title JetBrains TeamCity Unauthenticated Remote Code Execution via Agent Polling
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in JetBrains TeamCity
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in JetBrains TeamCity
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-08-05T00:00:00+00:00', 'dueDate': '2026-08-08T00:00:00+00:00'}

Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in JetBrains TeamCity
Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Agent Polling in JetBrains TeamCity
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains teamcity
Vendors & Products Jetbrains
Jetbrains teamcity
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Sep 23, 2026, 3:55 AM
Reserved
Jul 15, 2026, 3:12 PM
Status
Analyzed
Published
Jul 27, 2026, 5:16 PM
Modified
Oct 24, 2026, 1:10 PM