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Advisory record · GHSA-m2cm-222f-qw44

mchange-commons-java: Remote Code Execution via JNDI Reference Resolution

CVSS 8.9 HighEPSS 0.0098 · 62nd percentile

Published by the GitHub Advisory Database at 25 Feb 2026, 18:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
com.mchange:mchange-commons-javaMaven<0.4.00.4.0
Identifiers
GHSA-m2cm-222f-qw44 · CVE-2026-27727
Weakness (CWE)
CWE-74 · CWE-502
Tags
Published
25 Feb 2026
Updated
10 Sept 2026

Machine-written summary

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

mchange-commons-java versions before 0.4.0 include a JNDI implementation that can download and run code from a remote factoryClassLocation. An attacker who can get an application to read a maliciously crafted JNDI Reference or serialized object could cause remote code execution, even where the JDK's own protections are enabled. Upgrade to mchange-commons-java 0.4.0 or later, which gates this functionality behind restrictive configuration defaults. The source lists no workaround other than upgrading.

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
8.9 High 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0098, the 62nd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:17 UTC First seen by agentprime
  2. 31 Oct 2026, 14:17 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.