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CVE-2026-110879 jackson-databind: PolymorphicTypeValidator bypass via generic type arguments and array element types allows arbitrary class instantiation (incomplete fix for CVE-2026-54512)

🗓️ 28 Oct 2026 00:07:41Reported by HeroDevsType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

jackson-databind PolymorphicTypeValidator bypass allows arbitrary class instantiation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
jackson-databind -- type parameters bypass the polymorphic type validator
17 Oct 202600:00
–freebsd
circl
Circl
CVE-2026-110879
28 Oct 202600:44
–circl
cve
CVE
CVE-2026-110879
28 Oct 202600:07
–cve
debiancve
Debian CVE
CVE-2026-110879
20 Oct 202600:00
–debiancve
euvd
EUVD
EUVD-2026-111532
28 Oct 202600:07
–euvd
nessus
Tenable Nessus
FreeBSD : jackson-databind -- type parameters bypass the polymorphic type validator (8c1b47e2-cf3d-11f1-a655-3497f65b111b)
22 Oct 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-110879
26 Oct 202600:00
–nessus
mend
Mend
CVE-2026-110879
20 Oct 202600:00
–mend
nvd
NVD
CVE-2026-110879
28 Oct 202601:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-110879
26 Oct 202607:47
–osv_debian
Rows per page
[
  {
    "vendor": "FasterXML",
    "product": "jackson-databind",
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "packageName": "com.fasterxml.jackson.core:jackson-databind",
    "repo": "https://github.com/FasterXML/jackson-databind",
    "programFiles": [
      "src/main/java/com/fasterxml/jackson/databind/DatabindContext.java",
      "src/main/java/com/fasterxml/jackson/databind/jsontype/DefaultBaseTypeLimitingValidator.java",
      "src/main/java/com/fasterxml/jackson/databind/jsontype/impl/StdTypeResolverBuilder.java"
    ],
    "programRoutines": [
      {
        "name": "DatabindContext._resolveAndValidateGeneric"
      },
      {
        "name": "DatabindContext._validateTypeParameter"
      },
      {
        "name": "DefaultBaseTypeLimitingValidator"
      },
      {
        "name": "StdTypeResolverBuilder"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.10.0",
        "lessThan": "2.18.12",
        "versionType": "maven"
      },
      {
        "status": "unaffected",
        "version": "2.18.12",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.19.0",
        "lessThan": "2.21.8",
        "versionType": "maven"
      },
      {
        "status": "unaffected",
        "version": "2.21.8",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.22.0",
        "lessThan": "2.22.4",
        "versionType": "maven"
      },
      {
        "status": "unaffected",
        "version": "2.22.4",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "FasterXML",
    "product": "jackson-databind",
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "packageName": "tools.jackson.core:jackson-databind",
    "repo": "https://github.com/FasterXML/jackson-databind",
    "programFiles": [
      "src/main/java/tools/jackson/databind/DatabindContext.java",
      "src/main/java/tools/jackson/databind/jsontype/DefaultBaseTypeLimitingValidator.java",
      "src/main/java/tools/jackson/databind/jsontype/impl/StdTypeResolverBuilder.java"
    ],
    "programRoutines": [
      {
        "name": "DatabindContext._resolveAndValidateGeneric"
      },
      {
        "name": "DatabindContext._validateTypeParameter"
      },
      {
        "name": "DefaultBaseTypeLimitingValidator"
      },
      {
        "name": "StdTypeResolverBuilder"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0",
        "lessThan": "3.1.8",
        "versionType": "maven"
      },
      {
        "status": "unaffected",
        "version": "3.1.8",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "3.2.0",
        "lessThan": "3.2.4",
        "versionType": "maven"
      },
      {
        "status": "unaffected",
        "version": "3.2.4",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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