npm package report

Is @acastellon/auth safe?

1 known vulnerability, worst severity CRITICAL.

cvss
8.7

how bad it is if exploited, out of 10

epss
1.0%

chance of exploitation in the next 30 days

xyz score
4.0

CyberXYZ composite, out of 10

fig. 01 — GHSA-gfj5-979r-92pw, the advisory selected below

// advisories

GHSA-gfj5-979r-92pw

CRITICALCVE-2026-58399

@acastellon/auth v2.2.0 appears to allow an unauthenticated authentication bypass in validateToken() through spoofable auth-user and Host request headers.

Affected
< 2.3.0, >=0, <2.3.0
Fixed in
2.3.0
Weakness
CWE-290
Published
2026-06-18
Source
github

GHSANVDMITREreferencereferencereference


// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.


Checked 2026-09-22 at 02:33 UTC. The most recent advisory here was published 2026-06-18. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is @acastellon/auth safe? npm package security report | CyberXYZ