CVE-2026-103507 Arbitrary file-write via log configuration path in P4Search
An authenticated attacker can write arbitrary files via the logging interface, potentially achieving code execution on the host.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-103507?
CVE-2026-103507 is a high-severity path traversal vulnerability in Perforce P4 (Helix Core), published on 5 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-73
Which versions are affected by CVE-2026-103507?
How do I fix CVE-2026-103507?
No fix has been published for CVE-2026-103507 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-103507 being exploited?
There is no known exploitation of CVE-2026-103507 in the wild and no public exploit code.
Sources
Also known as GHSA-w4rv-834f-h4j4.