P4Verified

CVE-2026-107720: fast-jwt < 6.3.1

CVE-2026-107720 affects fast-jwt. CVSS 3.1 base score 7.4 (HIGH, Vendor/CNA). Affected range: <= 6.3.0. Fixed version: 6.3.1.

Affected technology

fast-jwt · < 6.3.1
nearform

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker can therefore submit a token containing arbitrary claims without possessing a signing key, resulting in authentication or authorization bypass. Vendor/CNA’s CVSS 3.1 assessment (base score 7.4/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 2026-10-09 03:15:29.672728+00:00

CWE: CWE-20, CWE-347
Product: fast-jwt
CCR priority: 29.6 /100 (P4)
CVSS 3.1: 7.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N · Vendor/CNA
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-09 03:17:07.463462+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-107720.html