Atomicorp WAF Rule 398120

Rule Summary

• Rule ID: 398120
• Status: Active
• Alert message: Atomicorp.com WAF Rules: GitLab Workhorse pre-auth arbitrary file read - client-supplied upload path to the repository files API (CVE-2026-85706)
• Observed CWEs: CWE-22 (1)
• Revision: 1
• Rule severity: Critical (2)
• Phase: 2 (request body)
• Request surfaces: Request URI
• Rule action: deny
• HTTP status: 403
• Public tags: CVE-2026-85706, gitlab
• Logging: log, auditlog

Description

This rule detects behavior identified by its current alert as “GitLab Workhorse pre-auth arbitrary file read - client-supplied upload path to the repository files API (CVE-2026-85706)” in the request URI. 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-2026-85706

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an unauthenticated user could have read arbitrary files from the GitLab server due to improper path confinement and missing authentication enforcement in the repository commits API.

• Association: The rule references CVE-2026-85706 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.