High severityGHSA Advisory· Published Jun 5, 2026· Updated Jun 8, 2026
CVE-2026-46391
CVE-2026-46391
Description
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 9.0.1 and prior to version 26.0.0 of @haxtheweb/open-apis, multiple functions conduct substring-only matching to validate hostnames to which basic authorization should be sent. An attacker can append the matched substrings to an attacker-controlled endpoint and capture authentication. Version 26.0.0 fixes the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@haxtheweb/open-apisnpm | < 26.0.0 | 26.0.0 |
Affected products
1Patches
Vulnerability mechanics
References
4News mentions
1- HAX CMS: 15 Vulnerabilities Disclosed Together on June 5, 2026Vypr Intelligence · Jun 5, 2026