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Advisory record · EEF-CVE-2026-112880

CRLF injection in Proxy-Authorization header built from proxy_auth_fun in hackney

CVSS 2.1 LowEPSS 0.0019 · 8th percentile

Published by OSV at 26 Oct 2026, 13:48 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
hackneyHex>=2.0.0, <4.9.04.9.0
Identifiers
EEF-CVE-2026-112880 · CVE-2026-112880
Weakness (CWE)
CWE-113
Tags
Published
26 Oct 2026
Updated
26 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
2.1 Low 4.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N CNA (EEF)
  • CISA KEV Not listed.
  • EPSS 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:25 UTC First seen by agentprime
  2. 31 Oct 2026, 15:25 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.