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Advisory record · GHSA-mp2g-9vg9-f4cg

h3 v1 has Request Smuggling (TE.TE) issue

CVSS 8.9 HighEPSS 0.0063 · 50th percentile

Published by the GitHub Advisory Database at 15 Jan 2026, 20:10 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
h3npm<1.15.51.15.5
Identifiers
GHSA-mp2g-9vg9-f4cg · CVE-2026-23527
Weakness (CWE)
CWE-444
Tags
Published
15 Jan 2026
Updated
13 Apr 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
8.9 High 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0063, the 50th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 15 Jan 2026. New records show when each source confirmed them.

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.