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CVE-2020-35728 is an unsafe polymorphic deserialization vulnerability in FasterXML Jackson Databind 2.x before 2.9.10.8. When Jackson typing is used, attacker-controlled serialized data can select the Oracle WebLogic-shaded Xalan JNDIConnectionPool class present through embedded Xalan dependencies, causing its gadget behavior to be invoked during deserialization.
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No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A referenced vulnerability/issue involving a shaded Xalan namespace in Oracle WebLogic Server, discussed in the context of prior exploitation paths related to Xalan/Jackson gadget ecosystems (as a comparison point to the newly described shaded TemplatesImpl technique).
Jackson-databind serialization-gadget and typing issue involving Oracle WebLogic-shaded JNDIConnectionPool.
Jackson-databind serialization-gadget and typing interaction vulnerability involving a shaded Oracle WebLogic Xalan JNDIConnectionPool class.
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.