Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

Advisory record · GHSA-3xpg-4rpp-hhhm

undici vulnerable to Denial of Service via unbounded decompression of compressed responses

CVSS 5.9 MediumEPSS 0.0041 · 36th percentile

Published by the GitHub Advisory Database at 29 Sept 2026, 18:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
undicinpm>=7.15.0, <7.29.1 || >=8.0.0, <8.10.27.29.1, 8.10.2
Identifiers
GHSA-3xpg-4rpp-hhhm · CVE-2026-84890
Weakness (CWE)
CWE-770
Tags
Published
29 Sept 2026
Updated
29 Sept 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
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (openjs)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 36th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 4 Sept 2026, 14:21 UTC Published by the maintainers as a GitHub repository advisory
  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.