gree/jose - "None" Algorithm treated as valid in tokens
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).
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | gree/jose | < 2.2.1 | 2.2.1 |
References
- https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries
- https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries
- https://github.com/FriendsOfPHP/security-advisories/blob/master/gree/jose/2016-08-30.yaml
- https://github.com/nov/jose-php
- https://github.com/nov/jose-php/compare/2.2.0...2.2.1
- Weakness (CWE)
CWE-327, CWE-347- Platform
- Composer
- Package
gree/jose- Disclosed
- 15.05.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-9gxv-x7rp-r2hc - CC BY 4.0
Vulnerability history: gree/jose
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 05.2022 05.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 0
- 2026: 0
-
gree/jose - "None" Algorithm treated as valid in tokens this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.