namshi/jose - Verification bypass
Priority LOW 38Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
Several widely-used JSON Web Token (JWT) libraries, including node-jsonwebtoken, pyjwt, namshi/jose, php-jwt, and jsjwt, are affected by critical vulnerabilities that could allow attackers to bypass the verification step when using asymmetric keys (RS256, RS384, RS512, ES256, ES384, ES512).
Why it matters now
Fix Fixed namshi/jose (Packagist): 2.2.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | namshi/jose (Packagist) | before 2.2.0 | 2.2.0 | Patch available | GHSA-4rr6-gf59-ggw5 |
- namshi/jose (Packagist) Vendor— Affected before 2.2.0 Fixed in 2.2.0 Patch available GHSA-4rr6-gf59-ggw5
Remediation
- Fix · GHSA-4rr6-gf59-ggw5 namshi/jose (Packagist) Fixed in 2.2.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-4rr6-gf59-ggw5
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences