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Advisory record · GHSA-583g-g682-crxf

Micronaut management endpoints vulnerable to drive-by localhost attack

CVSS 5.1 MediumEPSS 0.0026 · 17th percentile

Published by the GitHub Advisory Database at 9 Feb 2024, 15:19 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
io.micronaut:micronaut-http-serverMaven<3.8.33.8.3
io.micronaut:micronaut-http-server-nettyMaven<3.8.33.8.3
io.micronaut:micronaut-http-server-tckMaven<3.8.33.8.3
Identifiers
GHSA-583g-g682-crxf · CVE-2024-23639
Weakness (CWE)
CWE-15 · CWE-610 · CWE-664
Tags
Published
9 Feb 2024
Updated
10 Sept 2026

Machine-written summary

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

Micronaut's micronaut-http-server, micronaut-http-server-netty and micronaut-http-server-tck packages before 3.8.3 are affected. When management endpoints are enabled but unsecured, a malicious or compromised website can send simple cross-origin requests to localhost, which skip the CORS preflight check and can trigger those endpoints. The risk is mainly to developers running such endpoints locally; upgrade to version 3.8.3 or later.

Written 2 Nov 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
5.1 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0026, the 17th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 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.