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Advisory record · GHSA-337m-mw94-2v6g

Apache Commons Configuration: StackOverflowError for YAML input with cycles

CVSS 5.3 MediumEPSS 0.0047 · 40th percentile

Published by the GitHub Advisory Database at 14 May 2026, 12:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.commons:commons-configuration2Maven>=2.2, <2.15.02.15.0
Identifiers
GHSA-337m-mw94-2v6g · CVE-2026-45205
Weakness (CWE)
CWE-674
Tags
Published
14 May 2026
Updated
10 Sept 2026

Machine-written summary

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

Apache Commons Configuration (commons-configuration2) versions 2.2 up to but not including 2.15.0 are vulnerable. When an untrusted YAML configuration file contains cycles, processing it throws a StackOverflowError, which can cause a denial of service. Upgrade to commons-configuration2 version 2.15.0, which fixes the issue.

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
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0047, the 40th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:16 UTC First seen by agentprime
  2. 31 Oct 2026, 14:16 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.