Medium severity · published Oct 5, 2026
CVE-2026-103512
Ticket host-binding bypass via spoofed client IP in P4Search
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
P4 (Helix Core) · Perforce
through 2026.4.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103512
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103512
portal.perforce.com
https://portal.perforce.com/s/cve/a91Qi000003FDo1IAG/ticket-hostbinding-bypass-via-spoofed-client-ip-in-p4search
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