RHEL 9 : jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base (RHSA-2026:44065)

high Nessus Plugin ID 329103

Synopsis

The remote Red Hat host is missing one or more security updates for jackson-annotations / jackson-core / jackson- databind / jackson-jaxrs-providers / jackson-modules-base.

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:44065 advisory.

This is a multi-module project that contains Jackson-based JAX-RS providers for following data formats:
JSON, Smile (binary JSON), XML, CBOR (another kind of binary JSON), YAML.

Security Fix(es):

* jackson-databind: Jackson-databind: Security bypass allows arbitrary code execution (CVE-2026-54513)

* jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL jackson-annotations / jackson-core / jackson-databind / jackson-jaxrs-providers / jackson-modules-base packages based on the guidance in RHSA-2026:44065.

Plugin Details

Severity: High

ID: 329103

File Name: redhat-RHSA-2026-44065.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 7/23/2026

Updated: 7/23/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.09

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-54513

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:9.4, p-cpe:/a:redhat:enterprise_linux:jackson-databind, p-cpe:/a:redhat:enterprise_linux:pki-jackson-databind

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/23/2026

Vulnerability Publication Date: 6/23/2026

Reference Information

CVE: CVE-2026-54512, CVE-2026-54513

CWE: 184, 502

RHSA: 2026:44065

Detections

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