---
id: CVE-2026-103512
title: "Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when\_validating\_certain authentication requests"
summary: "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, …"
severity: medium
cvss: 5.3
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'
cwe:
  - CWE-290
vendor: Perforce
product: P4Search
affected:
  - P4Search <= 2026.4.1
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T13:16:50.993'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103512'
references:
  - url: >-
      https://portal.perforce.com/s/cve/a91Qi000003FDo1IAG/ticket-hostbinding-bypass-via-spoofed-client-ip-in-p4search
    label: security@puppet.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-05T12:32:36.852945Z'
cvssSource: cna
ingestedAt: '2026-10-05T09:16:17.868Z'
epss: 0.00374
epssPercentile: 0.29047
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.