CVE-2026-22818

unknown

Published 2026-01-13 · Modified 2026-02-04

CVSS v3

—

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CVSS v2

—

VIR risk

—

Description

Hono JWK Auth Middleware has JWT algorithm confusion when JWK lacks "alg" (untrusted header.alg fallback)

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	hono	`<4.11.4`	`4.11.4`

References

Verify integrity in audit chain (admin only). AS-IS.