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Advisory record · GHSA-wg5r-wc3x-39vc

OpenAM: Unauthenticated Remote Code Execution via Class.forName in AuthXMLUtils.createCustomCallback

CVSS 9.8 CriticalCriticalEPSS 0.011 · 64th percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 24 Jul 2026, 21:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.openidentityplatform.openam:openam-coreMaven<16.1.216.1.2
Identifiers
GHSA-wg5r-wc3x-39vc · CVE-2026-62379
Weakness (CWE)
CWE-94 · CWE-470
Tags
Published
24 Jul 2026
Updated
18 Aug 2026

Machine-written summary

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

OpenAM (Maven package org.openidentityplatform.openam:openam-core) versions below 16.1.2 are affected. An unauthenticated attacker with network access to the /authservice endpoint can supply an XML element naming an arbitrary Java class, which the server loads and instantiates, allowing code execution on the server. Upgrade to version 16.1.2. Until then, restrict external network access to /authservice; enabling sunRemoteAuthSecurityEnabled does not mitigate this 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
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.011, the 64th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:19 UTC First seen by agentprime
  2. 31 Oct 2026, 14:19 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.