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Advisory record · GHSA-477h-4r7f-fvrx

pbkdf2 rehashes long passwords on every iteration, enabling denial of service

CVSS 6.3 MediumEPSS 0.0034 · 28th percentile

Published by the GitHub Advisory Database at 6 Oct 2026, 13:40 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
pbkdf2npm<3.1.73.1.7
Identifiers
GHSA-477h-4r7f-fvrx · CVE-2026-102414
Weakness (CWE)
CWE-400
Tags
Published
6 Oct 2026
Updated
6 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The pbkdf2 npm package, versions before 3.1.7, rehashes long passwords on every iteration of key derivation, which makes the cost of a long password much higher than it should be. The advisory's details are brief and point to a related Django issue, but the source does not describe how an attacker would send such input. The fix is to upgrade pbkdf2 to version 3.1.7.

Written 31 Oct 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
6.3 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CNA (harborist)
  • CISA KEV Not listed.
  • EPSS 0.0034, the 28th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:34 UTC First seen by agentprime
  2. 31 Oct 2026, 13:34 UTC Confirmed by OSV

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.