PatchSiren cyber security CVE debrief
CVE-2026-103511 Perforce CVE debrief
CVE-2026-103511 debrief based on CVE Program and NVD records. Perforce P4 Search prior to 2026.4.2 does not validate file names supplied to its extension installation feature, allowing an attacker with super-user or service-token privileges to write files with arbitrary content to the P4 Search installation directory. This vulnerability requires defenders to assess exposure and prioritize remediation. The CVE record was published on 2026-10-05T09:17:07.113Z and has not been modified since then.
- Vendor
- Perforce
- Product
- P4 (Helix Core)
- CVSS
- MEDIUM 5.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-05
- Original CVE updated
- 2026-10-05
- Advisory published
- 2026-10-05
- Advisory updated
- 2026-10-05
Who should care
Defenders responsible for Perforce P4 Search installations should assess exposure and prioritize remediation. This includes verifying version 2026.4.2 or later is installed, assessing exposure of Perforce P4 Search installations to CVE-2026-103511, and prioritizing remediation for affected Perforce P4 Search installations.
Why it matters
CVE-2026-103511 allows an attacker with super-user or service-token privileges to write files with arbitrary content to the P4 Search installation directory, requiring defenders to assess exposure and prioritize remediation
- Verify version 2026.4.2 or later is installed to prevent arbitrary file writes
- Assess exposure of Perforce P4 Search installations to CVE-2026-103511
- Prioritize remediation for affected Perforce P4 Search installations
Technical summary
Perforce P4 Search prior to 2026.4.2 does not validate file names supplied to its extension installation feature, allowing an attacker with super-user or service-token privileges to write files with arbitrary content to the P4 Search installation directory
Defensive priority
Assess exposure and prioritize remediation for Perforce P4 Search installations
Recommended defensive actions
- Assess exposure of Perforce P4 Search installations to CVE-2026-103511
- Prioritize remediation for affected Perforce P4 Search installations
- Verify version 2026.4.2 or later is installed
Evidence notes
CVE Program and NVD records indicate Perforce P4 Search prior to 2026.4.2 has an arbitrary file write vulnerability via extension installation. The vulnerability allows an attacker with super-user or service-token privileges to write files with arbitrary content to the P4 Search installation directory. Defenders should verify version 2026.4.2 or later is installed to prevent arbitrary file writes and assess exposure of Perforce P4 Search installations to CVE-2026-103511.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-103511 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-103511
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-103511 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-103511
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://portal.perforce.com/s/cve/a91Qi000003FDpdIAG/arbitrary-filewrite-via-extension-installation-in-p4search
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.