Threats Tagged 'cve-2026-13759'
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Threats Tagged 'cve-2026-13759'
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CVE-2026-13759: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Extreme ScaleCVE-2026-13759 0 IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 ships three ObjectInputStream subclasses (WsObjectInputStream, ObjectStreamPool$ReusableInputStream, ObjectInputStreamResolver) that install no JEP-290 class filter; when Coherence is on the classpath, multiple RCE gadget chains including RemoteConstructor.readResolve and PriorityQueue/ExtractorComparator are confirmed working, allowing a post-login attacker who can write a session attribute or a LAN-adjacent attacker on the grid replication wire to execute arbitrary code on peer WAS JVMs Join the discussion | CVE Database V5 | 06/30/2026, 19:24:03 UTC Added: 06/30/2026, 19:36:32 UTC |
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