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High RHSA-2026:44063 2 CVEs

Red Hat Security Advisory: jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base security update

Published Jul 23, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 2

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream jackson-databind 0:2.21.4-1.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream pki-jackson-databind 0:2.21.4-1.el9_2

Vulnerabilities 2

  • High 8.1
    CVE-2026-54512 Public exploit

    jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation

    jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator (PTV) is the primary safety mechanism guarding polymor…

    FasterXML jackson-databind druid thingsboard-tb-node Debian Ubuntu Wolfi Maven
  • High 8.1
    CVE-2026-54513

    jackson-databind: Array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)

    jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray() allowlists any array type based only…

    FasterXML jackson-databind druid thingsboard-tb-node Debian Ubuntu Wolfi Maven

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492010
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492015
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_44063.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-54512
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-54512
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-54512
  • article
    https://github.com/FasterXML/jackson-databind/commit/434d6c511de7fdd9872f29157aafb6162d12d8d5
  • article
    https://github.com/FasterXML/jackson-databind/issues/5988
  • article
    https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-j3rv-43j4-c7qm
  • report
    https://access.redhat.com/security/cve/CVE-2026-54513
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-54513
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-54513
  • article
    https://github.com/FasterXML/jackson-databind/commit/01d1692c8d0ed03e51a0e3c4f8a9e6908e4931e5
  • article
    https://github.com/FasterXML/jackson-databind/commit/24529da29fdf46ff94ca38de9ebf31cd188f5e8e
  • article
    https://github.com/FasterXML/jackson-databind/issues/5981
  • article
    https://github.com/FasterXML/jackson-databind/issues/5983
  • article
    https://github.com/FasterXML/jackson-databind/pull/5984
  • article
    https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-rmj7-2vxq-3g9f