CVE-2026-67615

High

Description

openEQUELLA before 2026.1.0 contains an authenticated remote code execution vulnerability that allows any authenticated non-guest user to execute arbitrary code by exploiting Java deserialization in the HTTP invoker endpoint at /invoker/*. Attackers can bypass the class-name denylist enforced by PluginAwareObjectInputStream by nesting a serialized payload inside a java.security.SignedObject, causing the inner stream to be deserialized by a separate ObjectInputStream that does not apply the denylist, ultimately reaching a JNDI sink and enabling code execution.

SeverityHigh

CVSS8.8

Exploit probability—

ProductopenEQUELLA

PublishedSep 22, 2026

First seenSep 22, 2026

Weakness typeCWE-502Deserialization of untrusted data CWE-184CWE-184

How to fix

Update

Apereo Foundation openEQUELLA2026.1.0 or later

Patches

github.com/openequella/openEQUELLA/releases/tag/2026.1.0

Vendor advisories

github.com/openequella/openEQUELLA/security/advisories/GHSA-97gw-jwjx-fx9h

Affected products

Product	Affected versions	Fixed in
Apereo Foundation openEQUELLA	v < 2026.1.0	2026.1.0

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