CVE-2026-44351

critical

Published 2026-05-13 · Modified 2026-05-14

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.1

Description

fast-jwt: JWT auth bypass due to empty HMAC secret accepted by async key resolver

Predictions

Exploit likelihood

94%

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 with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	fast-jwt	`<6.2.4`	`6.2.4`
NPM	fast-jwt	`<= 6.2.3`	`6.2.4`

References

CWEs

CWE-287 CWE-326 CWE-1391

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.