MEDIUM 5.9 GitHub
CVE-2026-54753
`nx graph` dev server permissive CORS policy
## Summary
The local HTTP server started by `nx graph` sent `Access-Control-Allow-Origin: *` on every response, letting any website a developer visited read the server's responses cross-origin — including the full project graph and the output of the `/help` endpoint, which runs a target's configured help command. The practical impact is typically **cross-origin information disclosure**, but can be arbitrary command injection in rare cases.
## Severity
Exploitation requires the developer to b
Affected Products
- npm/nx >= 17.0.4, < 22.7.2
- npm/nx >= 23.0.0-beta.0, < 23.0.0-beta.2
References
- https://github.com/advisories/GHSA-g2r8-wvmj-jf5w
- https://github.com/nrwl/nx/security/advisories/GHSA-g2r8-wvmj-jf5w
- https://nvd.nist.gov/vuln/detail/CVE-2026-54753
- https://github.com/nrwl/nx/pull/35494
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-07-31 via GitHub. Affected: npm/nx >= 17.0.4, < 22.7.2, npm/nx >= 23.0.0-beta.0, < 23.0.0-beta.2.
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.