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TI-2026-67639 Aliases CVE-2026-103512GHSA-mv4f-7chx-wrhv

Ticket host-binding bypass via spoofed client IP in P4Search

Priority LOW 24CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

Perforce P4 Search before 2026.4.2 trusts a client-supplied address when validating certain authentication requests. An attacker who holds a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls. The attacker then gains access to P4 Search as the ticket's owner. The weakness is classified as CWE-290.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00374 31st percentileScored 2026-11-07
Fix Fixed P4 (Helix Core) (Perforce): 2026.4.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PerforceP4 (Helix Core)up to 2026.4.12026.4.2Patch availableCNA
  • P4 (Helix Core) VendorPerforce Affected up to 2026.4.1 Fixed in 2026.4.2 Patch available CNA

Remediation

Upgrade P4 Search to version 2026.4.2 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA P4 (Helix Core) (Perforce) Fixed in 2026.4.2

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-103512
  2. 2026-10-05 Alias added: GHSA-mv4f-7chx-wrhv

References

Other 1

  • TI-2026-58853 Unauthenticated Remote Code Execution in Akana API Platform CVSS 4.0CRITICAL 10.0
  • TI-2026-71533 Perforce Helix Authentication Service ships a default SCIM token CVSS 4.0CRITICAL 9.3
  • TI-2026-05304 Insecure Default Configuration in P4 Server CVSS 4.0HIGH 8.8
  • TI-2015-07378 Rogue Wave JViews before 8.8 patch 21 and 8.9 before patch 1 allows remote attackers to… CVSS 3.1CRITICAL 9.8
  • TI-2007-00095 The Perforce client does not restrict the set of files that it overwrites upon receiving… CVSS 2.0HIGH 10.0
  • TI-2026-60410 XML External Entity in Akana API Platform CVSS 4.0CRITICAL 9.2
See all 55 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences