CRITICAL
GHSA-c7hr-j4mj-j2w6
Verification Bypass in jsonwebtoken
Quick fix
GHSA-c7hr-j4mj-j2w6 — jsonwebtoken: upgrade to the fixed version with the command below.
npm install jsonwebtoken@4.2.2Details
Versions 4.2.1 and earlier of `jsonwebtoken` are affected by a verification bypass vulnerability. This is a result of weak validation of the JWT algorithm type, occuring when an attacker is allowed to arbitrarily specify the JWT algorithm.
## Recommendation
Update to version 4.2.2 or later.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2015-9235[ADVISORY]
- https://github.com/auth0/node-jsonwebtoken/commit/1bb584bc382295eeb7ee8c4452a673a77a68b687[WEB]
- https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries[WEB]
- https://github.com/advisories/GHSA-c7hr-j4mj-j2w6[ADVISORY]
- https://www.npmjs.com/advisories/17[WEB]
- https://www.timmclean.net/2015/02/25/jwt-alg-none.html[WEB]