FA
Product
fast-jwt
by nearform · last CVE Oct 8, 2026
14
CVEs
0
On KEV
9.8
Max CVSS
6
New 30D
Severity mix
Critical 4High 4Medium 6Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-107723
8.1
0%
Oct 8
fast-jwt : Silent claim-validator bypass when JWT payload is a JSON array
Affected: < 6.3.0
CVE-2026-35042
7.5
0%
Apr 6
fast-jwt accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)
Affected: <= 6.1.0
CVE-2026-107724
7.4
0%
Oct 8
fast-jwt treats raw public JWK JSON as an HMAC secret, enabling HS256 token forgery
Affected: >= 6.2.4, < 6.3.0
CVE-2026-107720
7.4
0%
Oct 8
fast-jwt: createVerifier accepts unsigned JWTs when key is '' or null and algorithms is explicitly set
Affected: < 6.3.1
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