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CVE-2019-14893 is an unsafe deserialization vulnerability in FasterXML jackson-databind versions before 2.9.10 and 2.10.0. Polymorphic deserialization can instantiate malicious objects through a Xalan JNDI gadget when ObjectMapper processes untrusted data. Vulnerable configurations include enableDefaultTyping(), @JsonTypeInfo using Id.CLASS or Id.MINIMAL_CLASS, and other polymorphic type-handling paths that permit ObjectMapper.readValue to instantiate attacker-selected classes.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Jackson Databind deserialization issue involving serialization gadgets in classes from the Xalan package, remediated in the Red Hat Data Grid 7.3.5 update.
Jackson Databind deserialization flaw involving serialization gadgets in Xalan classes.
A Jackson Databind vulnerability involving serialization gadgets in Xalan classes.
A Jackson Databind deserialization issue involving serialization gadgets in Xalan classes.
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.