CVE-2026-22818
HighAdvisory
Published 13 Jan 2026In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.2
- base score, highest
- EPSS
- 0.001
- 3rd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 3
- of 17,781 indexed, latest versions
- Container images
- 3
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Hono JWK Auth Middleware has JWT algorithm confusion when JWK lacks "alg" (untrusted header.alg fallback)
Carried by container images the latest versions of 3 of 17,781 indexed charts deploy, on 3 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| hononpm | 4.6.12, 4.7.11, 4.10.4 | 4.11.4 | 3 |
- OSV records
- GHSA-3vhc-576x-3qv4
Charts affected
3 by stars
Container images carrying it
3 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| diygod/ | 7a6312cac0d5 | hono | 4.11.4 | 1 |
| ghcr.io/ | abd7d6b11b1b | hono | 4.11.4 | 1 |
| ghcr.io/ | d86fcf169f15 | hono | 4.11.4 | 1 |