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TI-2026-47687 Aliases CVE-2026-67402GHSA-88ch-qhvf-3vfj

An insecure Apache configuration in ConfigServer Security & Firewall maps /usr/bin as CGI…

Priority MEDIUM 48CWE-552Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-552.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00544 45th percentileScored 2026-11-07
Fix Fixed ConfigServer Security & Firewall (WebPros): 16.31

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
WebProsConfigServer Security & Firewall14.02 to before 16.3116.31Patch availableCNA
ConfigServerConfigServer Security & Firewall14.02 and later—No fix listedCNA
  • ConfigServer Security & Firewall VendorWebPros Affected 14.02 to before 16.31 Fixed in 16.31 Patch available CNA
  • ConfigServer Security & Firewall VendorConfigServer Affected 14.02 and later Fixed in — No fix listed CNA

Remediation

  • Fix · CNA ConfigServer Security & Firewall (WebPros) Fixed in 16.31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-67402
  2. 2026-10-03 Alias added: GHSA-88ch-qhvf-3vfj

References

  • TI-2026-30342 WebPros cPanel and WHM Authentication Bypass via Login Flow KEVCVSS 4.0CRITICAL 9.3
  • TI-2026-46792 Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root. CVSS 4.0HIGH 8.7
  • TI-2025-40383 Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS)… CVSS 3.1HIGH 7.5
  • TI-2026-23322 Incorrect privileges management and insufficient path filtering allow to read arbitrary… CVSS 3.1HIGH 8.6
  • TI-2026-47685 Deserialization of untrusted data in WebPros WHMCS CVSS 4.0CRITICAL 9.3
  • TI-2026-23317 Authorization bypass in WebPros Comet Backup CVSS 4.0CRITICAL 9.9
See all 50 →

Sources