Vulnerability · Published Jun 5, 2026 · Assigned by GitHub_M

CVE-2026-46393HAXcms createSite SSRF Enables Arbitrary File Read

High 7.1

In plain English

A high-severity server-side request forgery in haxcms-nodejs from haxtheweb. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.1High

Exploit odds (30 days)0.2%top 85.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

HAX CMS helps manage microsite universe with PHP or NodeJs backends. An authenticated Server-Side Request Forgery (SSRF) vulnerability in versions prior to 26.0.0 allows authenticated users to fetch arbitrary internal or local resources and write the responses to a web-accessible directory, enabling arbitrary file read and internal network access. Version 26.0.0 contains a fix.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@haxtheweb/haxcms-nodejs	26.0.0	GHSA-q862-gcgq-5m6g

Affected products (as reported)

Vendor	Product	Versions
haxtheweb	haxcms-nodejs	< 26.0.0
haxtheweb	haxcms-php	< 26.0.0

Weakness: CWE-918 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

https://github.com/haxtheweb/issues/security/advisories/GHSA-q862-gcgq-5m6g x_refsource_CONFIRM