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Advisory record · GHSA-xm28-xvqc-gxxg

Copernik XML Factory (stock JDK provider) has Improper restriction of XInclude resource resolution

CVSS 8.2 HighEPSS 0.0036 · 29th percentile

Published by the GitHub Advisory Database at 2 Oct 2026, 18:27 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
eu.copernik:copernik-xml-factoryMaven<0.1.20.1.2
Identifiers
GHSA-xm28-xvqc-gxxg · CVE-2026-61586
Weakness (CWE)
CWE-611
Tags
Published
2 Oct 2026
Updated
2 Oct 2026

Machine-written summary

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

Copernik XML Factory versions before 0.1.2 (through 0.1.1) do not block XInclude resolution on the stock JDK provider. An attacker who can supply XML to an application that enables XInclude on factories or readers from this library can read local files or reach internal HTTP endpoints. Upgrade to 0.1.2, which fixes the issue; as a workaround, add Apache Xerces (xercesImpl) to the classpath.

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
8.2 High 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0036, the 29th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 30 Oct 2026, 18:59 UTC Confirmed by the CVE List
  2. 30 Oct 2026, 19:18 UTC Confirmed by NVD
  3. 31 Oct 2026, 14:16 UTC First seen by agentprime
  4. 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.