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Atomicorp WAF Rule 399964

Rule Summary

  • Rule ID: 399964
  • Status: Active
  • Alert message: Atomicorp.com WAF Rules: CVE-2026-29963 Path traversal (separator-variant) in ext on /mailinspector/tap/dw.php (rx)
  • Observed CWEs: None documented
  • Revision: 1
  • Rule severity: Critical (2)
  • Phase: 2 (request body)
  • Request surfaces: Request filename
  • Rule action: deny
  • HTTP status: 403
  • Public tags: CVE-2026-29963, LFI
  • Logging: log, auditlog

Description

This rule detects behavior identified by its current alert as “CVE-2026-29963 Path traversal (separator-variant) in ext on /mailinspector/tap/dw.php (rx)” in the request filename. It evaluates during the request body phase and denies matching traffic with HTTP status 403.

CVEs Referenced by This Rule

The current ModSecurity rule metadata explicitly names the following CVEs. These references explain the rule author’s association; they do not claim that the rule is limited to these vulnerabilities or that this is an exhaustive coverage list.

CVE-2026-29963

HSC MailInspector 5.3.3-7 has a Path Traversal vulnerability due to improper validation of user-supplied input in the /tap/dw.php endpoint. The text parameter is used to construct file paths without adequate normalization or restriction to a safe base directory. A remote attacker can exploit this flaw to access arbitrary files on the underlying operating system, resulting in unauthorized disclosure of sensitive information.

This is a selected list of documented research observations, not an exhaustive coverage matrix. Absence of a CVE does not imply absence of protection.

No selected related public CVE research notes are currently published.