Atomicorp WAF Rule 398129

Rule Summary

• Rule ID: 398129
• Status: Active
• Alert message: Atomicorp.com WAF Rules - Virtual Just In Time Patch: Web access to WordPress core upgrade staging directory blocked (CVE-2026-119977)
• Observed CWEs: CWE-367 (1)
• Revision: 1
• Rule severity: Critical (2)
• Phase: 1 (request headers)
• Request surfaces: Request filename
• Rule action: deny
• HTTP status: 403
• Public tags: CVE-2026-119977, wordpress
• Logging: log, auditlog

Description

This rule detects behavior identified by its current alert as “Virtual Just In Time Patch: Web access to WordPress core upgrade staging directory blocked (CVE-2026-119977)” in the request filename. It evaluates during the request headers 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-2026-119977

WordPress Core is vulnerable to Remote Code Execution in versions 4.7 through 7.1.3. This is due to predictable, web-accessible staging paths used during full-package core upgrades. This makes it possible for unauthenticated attackers to execute code on the server during the upgrade window.

• Association: The rule references CVE-2026-119977 in its alert message and tag.
• CVE Record (opens in a new tab)
• NVD (opens in a new tab)

Selected Related CVEs

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

Observed CWEs

These CWEs are recorded on published CVEs in the selected observations associated with this rule. They are observational relationships, not a claim that the rule universally blocks every vulnerability assigned to a CWE.