CVE-2026-67402
9.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N
Summary
An insecure Apache configuration in ConfigServer Security & Firewall maps /usr/bin as CGI programs through the Messenger v3 HTTPS virtual host. A remote unauthenticated attacker whose address is blocked can request a mapped executable and run arbitrary commands as the Apache user. The vulnerability affects installations where CSF Messenger v3 and its HTTPS mode are enabled. WebPros addressed the vulnerability in version 16.31.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WebPros | ConfigServer Security & Firewall | 14.02 < 16.31 | affected |
| ConfigServer | ConfigServer Security & Firewall | 14.02 < * | affected |
Weaknesses
- CWE-552: CWE-552 Files or Directories Accessible to External Parties
Workarounds
Disable Messenger v3 by setting MESSENGERV3 = "0" until version 16.31 can be installed. This is the shipped default.
References
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