CVE-2026-103510 Authentication bypass via blank auth token in P4Search

Critical 9.5 Published Updated

An unauthenticated attacker can bypass authentication in P4 Search when the token is blank, gaining highest privileges and compromising the connected P4 Server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-103510?

CVE-2026-103510 is a critical authentication bypass vulnerability in Perforce P4 (Helix Core), published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

P4 Search prior to 2026.4.2 does not fail securely when its service authentication token is blank. In affected configurations, an unauthenticated attacker with network access can obtain the highest application privilege, potentially leading to compromise of P4 Search and the connected P4 Server.

Weakness: CWE-636

Which versions are affected by CVE-2026-103510?

How do I fix CVE-2026-103510?

No fix has been published for CVE-2026-103510 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-103510 being exploited?

There is no known exploitation of CVE-2026-103510 in the wild and no public exploit code.

Sources

Also known as GHSA-rgmx-jfh8-6fx8.

Is CVE-2026-103510 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free