CVE-2026-62379 is a pre-authentication remote code execution vulnerability in OpenAM. The flaw is in AuthXMLUtils.createCustomCallback, where requests to the /authservice endpoint can supply an arbitrary Java class name that is loaded through Class.forName without sufficient validation or restriction. This unsafe use of externally controlled class selection allows an unauthenticated attacker to trigger loading of attacker-chosen classes in the authentication service code path, resulting in remote code execution under vulnerable configurations, including default deployments.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
6 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.