CVE-2026-103512 Ticket host-binding bypass via spoofed client IP in P4Search
Attackers with stolen tickets can bypass host-binding restrictions in P4 Search by spoofing client IPs, gaining unauthorized access as the ticket owner.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-103512?
CVE-2026-103512 is a medium-severity authentication bypass vulnerability in Perforce P4 (Helix Core), published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when validating certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket's owner.
Weakness: CWE-290
Which versions are affected by CVE-2026-103512?
How do I fix CVE-2026-103512?
No fix has been published for CVE-2026-103512 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-2026-103512 being exploited?
There is no known exploitation of CVE-2026-103512 in the wild and no public exploit code.
Sources
Also known as GHSA-mv4f-7chx-wrhv.