All vulnerabilities
CVE-2026-103511

P4 (Helix Core): Arbitrary file-write via extension installation in P4Search

Perforce P4 (Helix Core)
CVSS
5.1Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.33%Chance of exploitation activity in the next 30 days, higher than 24% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published5 Oct 2026Updated 5 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

Perforce P4 Search prior to 2026.4.2 does not validate file names supplied to its extension installation feature. An attacker with super-user or service-token privileges can write files with arbitrary content to the P4 Search installation directory.

Text from CVE List

Affected versions 2

  • P4 (Helix Core)affected: all versions through 2026.4.1CVE List
  • P4 (Helix Core)unaffected: 2026.4.2CVE List

References 1