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PatchSiren cyber security CVE debrief

CVE-2026-46390 haxtheweb CVE debrief

CVE-2026-46390 is a medium-severity vulnerability in HAX CMS, a content management system that helps manage microsite universes with PHP or NodeJs backends. The vulnerability affects versions starting from 2.0.0 and prior to 26.0.0, where the gitlist plugin is exposed to unauthenticated users. This exposure allows unauthenticated browsing of git repositories and git history. The vulnerability has a CVSS score of 6.9 and is classified as MEDIUM severity. The issue was patched in version 26.0.0.

Vendor
haxtheweb
Product
haxcms-php
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-09
Advisory published
2026-06-05
Advisory updated
2026-06-09

Who should care

Users of HAX CMS, particularly those using versions between 2.0.0 and 26.0.0, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The gitlist plugin in HAX CMS is exposed to unauthenticated users, allowing them to browse git repositories and git history without authentication. This vulnerability is identified as CWE-639.

Defensive priority

MEDIUM

Recommended defensive actions

  • Upgrade to version 26.0.0 or later to patch the vulnerability.
  • Restrict access to the gitlist plugin to authenticated users only.

Evidence notes

The CVE record [cve-org] and NVD detail [nvd] provide official information about the vulnerability. A source reference [ref-4] is also available on GitHub.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46390 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46390

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46390 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46390

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.