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GHSA-GX83-3VF8-GH7J jackson-databind: Comparable missing from DefaultBaseTypeLimitingValidator's unsafe base types (incomplete PolymorphicTypeValidator denylist)

🗓️ 28 Sep 2026 20:44:25Reported by GoogleType 
osv
 osv🔗 osv.dev👁 9 Views

jackson-databind DefaultBaseTypeLimitingValidator misses java.lang.Comparable in its denylist.

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Refs
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IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining 2.2.1
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IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to jackson-databind (CVE-2026-19032, CVE-2026-83557 and CVE-2026-68497)
29 Sep 202606:13
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IBM Security Bulletins		Security Bulletin: IBM Engineering Systems Design Rhapsody is vulnerable with Jackson Databind library
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IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
28 Sep 202605:25
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IBM Security Bulletins		Security Bulletin: IBM Maximo Manage application in IBM Maximo Application Suite uses jackson-databind-2.18.9.jar and httpclient5-5.3.1.jar and is vulnerable to CVE-2026-19032, CVE-2026-83557, CVE-2026-68497 and CVE-2026-64607
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IBM Security Bulletins		Security Bulletin: IBM Quantum Safe Explorer is affected by multiple vulnerabilities (CVE-2026-19032, CVE-2026-83557)
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cgr
Chainguard		CVE-2026-83557 vulnerabilities
8 Sep 202620:54
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circl
Circl		CVE-2026-83557
1 Sep 202603:04
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cve
CVE		CVE-2026-83557
1 Sep 202614:57
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cvelist
Cvelist		CVE-2026-83557 jackson-databind omits java.lang.Comparable from DefaultBaseTypeLimitingValidator's unsafe base types
1 Sep 202614:57
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28 Sep 2026 21:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.6
EPSS0.00717
jackson-databindDefaultBaseTypeLimitingValidatorPolymorphicTypeValidatorjava.lang.Comparableunsafe base typesdenylist
9