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Advisory record · GHSA-6fc8-4gx4-v693

ReDoS in Sec-Websocket-Protocol header

CVSS 5.3 MediumEPSS 0.028 · 86th percentile

Published by the GitHub Advisory Database at 28 May 2021, 19:19 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
wsnpm>=7.0.0, <7.4.6 || >=6.0.0, <6.2.2 || >=5.0.0, <5.2.37.4.6, 6.2.2, 5.2.3
Identifiers
GHSA-6fc8-4gx4-v693 · CVE-2021-32640
Weakness (CWE)
CWE-345 · CWE-400
Tags
Published
28 May 2021
Updated
8 Jul 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.028, the 86th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 25 May 2021, 17:57 UTC Published by the maintainers as a GitHub repository advisory

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.