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9.5
CVE-2026-103510: P4 Search grants admin rights with empty token
CVE-2026-103510 · published 5 days ago
Summary
Versions of P4 Search before the 2026.4.2 update accept a blank authentication token, so anyone on the network can log in with the highest level of access. This can lead to full control of P4 Search and the linked Helix Core server. Upgrade to version 2026.4.2 or later and ensure that only trusted networks can reach the service.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| perforce | p4 (helix core) | <= 2026.4.1 |
Original advisory text
Authentication bypass via blank auth token in P4Search
P4 Search prior to 2026.4.2 does not fail securely when its service authentication token is blank. In affected configurations, an unauthenticated attacker with network access can obtain the highest application privilege, potentially leading to compromise of P4 Search and the connected P4 Server.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Type
CWE-636Not Failing Securely ('Failing Open')
Timeline
Published5 Oct 2026
Updated7 Oct 2026
First seen5 Oct 2026
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