EUVD-2026-33381
GHSA-hqxf-vmvp-qr3c
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
In JetBrains TeamCity before 2026.1 remote code execution was possible via Perforce connection settings
AnalysisAI
Remote code execution in JetBrains TeamCity versions prior to 2026.1 is achievable by authenticated users who can configure Perforce connection settings on a build project. The flaw, classified as CWE-88 (argument injection), allows attackers with project configuration privileges to inject arguments through Perforce VCS root parameters, leading to command execution on the TeamCity server. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires (1) network access to the TeamCity web UI/API, (2) an authenticated account holding project-level permissions sufficient to create or edit a Perforce VCS root (PR:L per CVSS), and (3) the target TeamCity server running a version earlier than 2026.1 with Perforce VCS support available. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N yields 7.1 (High) and reflects a network-reachable issue requiring low privileges and no user interaction, with high confidentiality impact and low integrity impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained credentials for a TeamCity user with project configuration rights - for example via phishing a developer, reusing leaked CI credentials, or abusing an overly permissive default role - creates or edits a Perforce VCS root and injects malicious arguments into one of the Perforce connection fields. When TeamCity invokes the p4 client to validate or fetch from the configured server, the smuggled arguments cause arbitrary code or commands to be executed under the TeamCity server process context, giving the attacker a foothold on the CI server and access to build secrets, artifacts, and downstream deployment credentials. … |
| Remediation | Vendor-released patch: TeamCity 2026.1 - upgrade all TeamCity server installations to 2026.1 or later, following the standard upgrade procedure documented by JetBrains and consulting https://www.jetbrains.com/privacy-security/issues-fixed/ for advisory details. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all TeamCity instances running versions prior to 2026.1; audit and document which users hold Perforce configuration privileges. …
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