CVE-2023-48223
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
JWT Algorithm Confusion
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | fast-jwt | <3.3.2 | 3.3.2 |
References
- https://github.com/nearform/fast-jwt/security/advisories/GHSA-c2ff-88x2-x9pg
- https://nvd.nist.gov/vuln/detail/CVE-2023-48223
- https://github.com/nearform/fast-jwt/commit/15a6e92c9adb39acde41a9b11cec0cbde8ad763b
- https://github.com/nearform/fast-jwt
- https://github.com/nearform/fast-jwt/blob/master/src/crypto.js#L29
- https://github.com/nearform/fast-jwt/releases/tag/v3.3.2
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.