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Advisory record · GHSA-v2xm-76pq-phcf

ClassGraph XML External Entity Reference

CVSS 6.5 MediumEPSS 0.0056 · 46th percentile

Published by the GitHub Advisory Database at 21 Jun 2024, 06:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
io.github.classgraph:classgraphMaven<4.8.1124.8.112
Identifiers
GHSA-v2xm-76pq-phcf · CVE-2021-47621
Weakness (CWE)
CWE-611
Tags
Published
21 Jun 2024
Updated
10 Sept 2026

Machine-written summary

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

ClassGraph (io.github.classgraph:classgraph) versions before 4.8.112 are vulnerable to XML external entity (XXE) attacks. The source gives few details about the attack conditions or impact. Upgrade to version 4.8.112 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
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0056, the 46th percentile, on 9 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.