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CVE-2026-35039Published

fast-jwt provides fast JSON Web Token (JWT) implementation. From 0.0.1 to before 6.2.0, setting up a custom cacheKeyBuilder method which does not properly create unique keys for different tokens can lead to cache collisions. This could caus…

Exact source revision recorded 25 Oct 2026 08:17:35 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

nvd · CVE-2026-35039

Published

fast-jwt provides fast JSON Web Token (JWT) implementation. From 0.0.1 to before 6.2.0, setting up a custom cacheKeyBuilder method which does not properly create unique keys for different tokens can lead to cache collisions. This could cause tokens to be mis-identified during the verification process leading to valid tokens returning claims from different valid tokens and users being mis-identified as other users based on the wrong token. Version 6.2.0 contains a patch.

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-345 · CWE-706 · CWE-1289

Original publisher date fields

published: 2026-04-06T17:17:13.243

lastModified: 2026-10-23T23:10:00.157

1 source CPE criteria · context only
  • cpe:2.3:a:nearform:fast-jwt:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
6 Apr 2026 17:17:13 UTC
Source modified
23 Oct 2026 23:10:00 UTC
Observed here
25 Oct 2026 08:17:35 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · [email protected] · Secondary · 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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Sources read 26 Oct 08:27 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current

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