EUVD-2026-42911
GHSA-j8x6-f4hm-gpqh
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (JetBrains) · only source for this CVE.
CVSS VectorVendor: JetBrains
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
In JetBrains TeamCity before 2026.1.2 arbitrary file access was possible via the Perforce VCS integration
AnalysisAI
Arbitrary file access in JetBrains TeamCity before 2026.1.2 lets an authenticated user abuse the Perforce (P4) VCS integration to read files outside intended boundaries on the TeamCity server host. The flaw (CWE-73, external control of file name or path) was self-reported by JetBrains and is fixed in 2026.1.2; no public exploit identified at time of analysis, and it is not listed in CISA KEV. …
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Recommended ActionAI
24 hours: Inventory all TeamCity instances and current versions; audit users with Perforce VCS root creation permissions and restrict where possible. …
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In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible. Rated criti
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible. Rated criti
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In JetBrains TeamCity before 2023.05 bypass of permission checks allowing to perform admin actions was possible. Rated c
JetBrains TeamCity before 2021.2.3 was vulnerable to OS command injection in the Agent Push feature configuration. Rated
In JetBrains TeamCity before 2021.2.1, XXE during the parsing of the configuration file was possible. Rated critical sev
In JetBrains TeamCity before 2021.1.4, GitLab authentication impersonation was possible. Rated critical severity (CVSS 9
In JetBrains TeamCity before 2021.1.3, the X-Frame-Options header is missing in some cases. Rated critical severity (CVS
In JetBrains TeamCity before 2021.1.2, permission checks in the Agent Push functionality were insufficient. Rated critic
In JetBrains TeamCity before 2021.1.2, remote code execution via the agent push functionality is possible. Rated critica
Same weakness CWE-73 – External Control of File Name or Path
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External POC / Exploit Code
Leaving vuln.today