Arbitrary file write via log configuration path in P4Search
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Perforce P4 Search prior to 2026.4.2 does not restrict file paths written through its logging configuration interface. An attacker who holds the service authentication token can write arbitrary files on the host, which can lead to code execution as the P4 Search service account. The flaw is classified as external control of a file name or path (CWE-73).
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Perforce P4 Search prior to 2026.4.2 does not restrict file paths written through its logging configuration interface. An attacker holding the service authentication token can write arbitrary files on the host, potentially leading to code execution as the P4 Search service account.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade Perforce P4 (Helix Core) to version 2026.4.2, which is the fixed version listed for this product.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA P4 (Helix Core) (Perforce) Fixed in 2026.4.2
Timeline
- 2026-10-05 Threatist record created from CVE-2026-103507
- 2026-10-05 Alias added: GHSA-w4rv-834f-h4j4
References
More Perforce vulnerabilities
- TI-2026-58853 Unauthenticated Remote Code Execution in Akana API Platform CVSS 4.0CRITICAL 10.0
- TI-2026-71533 Perforce Helix Authentication Service ships a default SCIM token CVSS 4.0CRITICAL 9.3
- TI-2026-05304 Insecure Default Configuration in P4 Server CVSS 4.0HIGH 8.8
- TI-2015-07378 Rogue Wave JViews before 8.8 patch 21 and 8.9 before patch 1 allows remote attackers to… CVSS 3.1CRITICAL 9.8
- TI-2007-00095 The Perforce client does not restrict the set of files that it overwrites upon receiving… CVSS 2.0HIGH 10.0
- TI-2026-60410 XML External Entity in Akana API Platform CVSS 4.0CRITICAL 9.2
Sources
- CVE-2026-103507 · CVE Program
- CVE-2026-103507 · NVD
- FIRST EPSS
- GHSA-w4rv-834f-h4j4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences