CVE-2026-67402Network attack vectorHinoki check available

Unauthenticated command execution via exposed CGI binaries

Published Sep 3, 2026 · Updated Sep 4, 2026

Remote code execution in WebPros ConfigServer Security & Firewall 14.02 through 16.30-1 allows remote attackers to run arbitrary commands. The Messenger v3 HTTPS virtual host maps /usr/bin as CGI programs, causing requested system executables to run as the Apache user. Exploitation requires the requester's address to be blocked and both Messenger v3 and its HTTPS mode to be enabled.

CVSS severity9.2
Critical
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Remote code execution in WebPros ConfigServer Security & Firewall 14.02 through 16.30-1 allows remote attackers to run arbitrary commands. The Messenger v3 HTTPS virtual host maps /usr/bin as CGI programs, causing requested system executables to run as the Apache user. Exploitation requires the requester's address to be blocked and both Messenger v3 and its HTTPS mode to be enabled.

The record

CVE
CVE-2026-67402
Published
Sep 3, 2026
Updated
Sep 4, 2026
Vendor
WebPros
Product
ConfigServer Security & Firewall
Classifications
CWE-552, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=14.02 <16.31

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WebPros · ConfigServer Security & Firewallversion=14.02 <16.31
ConfigServer · ConfigServer Security & Firewallversion=14.02 <*

Published CVSS scores

9.2HackerOne CNACVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-552Files or Directories Accessible to External Parties
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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