5.3

CVE-2026-103512: perforce p4 (helix core) Authentication Bypass by Spoofing

CVSS: 5.3v4.0MediumAwaiting analysis
Published 05-10-2026Last modified 05-10-2026
Open JSON

Vulnerability summary

CVE-2026-103512 is a medium (CVSS 5.3) Authentication Bypass by Spoofing vulnerability in perforce p4 (helix core). EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.9% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.37%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-10-2026
    PublishedVulnerability first disclosed.
  2. 05-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

05-10-202620-10-2026
EPSS score
0.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Perforce1 product

1 vendor · 1 product

References

1 links