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Advisory record · GHSA-xpcf-pg52-r92g

Hono has incorrect IP matching in ipRestriction() for IPv4-mapped IPv6 addresses

CVSS 6.3 MediumEPSS 0.0035 · 28th percentile

Published by the GitHub Advisory Database at 8 Apr 2026, 00:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
hononpm<4.12.124.12.12
Identifiers
GHSA-xpcf-pg52-r92g · CVE-2026-39409
Weakness (CWE)
CWE-180
Tags
Published
8 Apr 2026
Updated
10 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
6.3 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0035, the 28th 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 8 Apr 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.