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ALSA-2026:40895 — Important: jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base secur…

Affected: AlmaLinux:9: pki-jackson-annotations, AlmaLinux:9: pki-jackson-core, AlmaLinux:9: pki-jackson-databind, AlmaLinux:9: pki-jackson-jaxrs-json-provider, AlmaLinux:9: pki-jackson-jaxrs-providers, AlmaLinux:9: pki-jackson-module-jaxb-annotations

The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.

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.

certfr-2026-avi-0914 — De multiples vulnérabilités ont été découvertes dans Oracle Database Server. Elles permettent à un attaquant de provoqu…

certfr-2026-avi-0914

Withdrawn: CLEANSTART-2026-AM39668 — yawkat LZ4 Java provides LZ4 compression for Java

Withdrawn by the publisher.

Affected: CleanStart: apache-nifi

Multiple security vulnerabilities affect the apache-nifi package. yawkat LZ4 Java provides LZ4 compression for Java. See references for individual vulnerability details.

EUVD-2026-367742

fkie_cve-2026-54513

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 on clazz.isArray(), without validating the array's component (element) type against the configured allowlist. A PTV built with allowIfSubTypeIsArray() plus an explicit concrete-type allowlist therefore still permits EvilType[] even though EvilType is not allowlisted. When Jackson deserializes the elements and no per-element type IDs are present, it instantiates the component type directly with no further PTV check, bypassing the allowlist. This vulnerability is fixed in 2.18.8, 2.21.4, and 3.1.4.

GHSA-rmj7-2vxq-3g9f — jackson-databind has an array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)

Affected: Maven: com.fasterxml.jackson.core:jackson-databind, Maven: tools.jackson.core:jackson-databind

## Summary `BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray()` allowlists any array type based only on `clazz.isArray()`, without validating the array's component (element) type against the configured allowlist. A PTV built with `allowIfSubTypeIsArray()` plus an explicit concrete-type allowlist therefore still permits `EvilType[]` even though `EvilType` is not allowlisted. When Jackson deserializes the elements and no per-element type IDs are present, it instantiates the component type directly with no further PTV check, bypassing the allowlist.

## Impact Applications using `BasicPolymorphicTypeValidator` with `allowIfSubTypeIsArray()` as a safeguard get no protection for concrete array component types; an attacker controlling JSON can instantiate non-allowlisted types via an array wrapper, re-opening the gadget-instantiation risk PTV is meant to prevent.

## Affected / Patched (verified via `git tag --contains`) - 2.18 line: `>= 2.10.0, < 2.18.8` -> fixed in **2.18.8** - 2.19-2.21 line: `>= 2.19.0, < 2.21.4` -> fixed in **2.21.4** - 3.x line: `>= 3.0.0, < 3.1.4` -> fixed in **3.1.4**

`PolymorphicTypeValidator` was added in 2.10.0 so vulnerability N/A for versions prior to that.

## Severity / CWE Maintainer: significant. Reporter: HIGH. CWE-184 (Incomplete List of Disallowed Inputs); related CWE-502.

## Upstream fix FasterXML/jackson-databind#5981; fix PR #5983 (`24529da`), 2.18 backport PR #5984 (`01d1692`). Released 2026-06-04 in 2.18.8 / 2.21.4 / 3.1.4.

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NCSC-2026-0325 — Kwetsbaarheden verholpen in Atlassian producten

NCSC-2026-0325

openSUSE-SU-2026:11118-1 — jackson-databind-2.18.8-1.1 on GA media

jackson-databind-2.18.8-1.1 on GA media

RHSA-2026:41951 — Red Hat Security Advisory: Red Hat Data Grid 8.6.2 security update

fast-uri: fast-uri: URI authority bypass due to improper delimiter handling webpack-dev-server: webpack-dev-server: Information disclosure and denial of service via improper proxy configuration form-data: form-data: Form field override via CRLF injection react-router: React Router: Cross-Site Scripting vulnerability via untrusted React Server Component redirects react-router: React Router: Denial of Service via client-side Cross-Site Scripting in RSC redirect handling micrometer: micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests micrometer-core: micrometer-jetty11: micrometer-jetty12: Micrometer: Denial of Service via specially crafted HTTP requests react-router: React Router: Remote Code Execution via prototype pollution in Framework Mode axios: Axios: Prototype pollution allows information disclosure and request manipulation react-router: @remix-run/server-runtime: React Router / Remix: Denial of Service via unbounded path expansion in __manifest endpoint netty: io.netty/netty-codec-compression: io.netty/netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder netty-codec-redis: Netty: Command injection via CRLF characters in Redis codec encoder netty: io.netty/netty-codec-http: io.netty/netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression netty: io.netty/netty-codec-mqtt: Netty: Denial of Service due to excessive resource consumption from crafted MQTT 5 he…

RLSA-2026:40895 — Important: jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base secur…

Affected: Rocky Linux:9: jackson-annotations, Rocky Linux:9: jackson-core, Rocky Linux:9: jackson-databind, Rocky Linux:9: jackson-jaxrs-providers, Rocky Linux:9: jackson-modules-base

The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.

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.

SUSE-SU-2026:22504-1 — Security update for jackson-annotations, jackson-core, jackson-databind

Security update for jackson-annotations, jackson-core, jackson-databind

UBUNTU-CVE-2026-54513

Affected: Ubuntu:Pro:14.04:LTS: jackson-databind, Ubuntu:Pro:16.04:LTS: jackson-databind, Ubuntu:18.04:LTS: jackson-databind, Ubuntu:20.04:LTS: jackson-databind, Ubuntu:22.04:LTS: jackson-databind, Ubuntu:24.04:LTS: jackson-databind, Ubuntu:25.10: jackson-databind, Ubuntu:26.04:LTS: jackson-databind

WID-SEC-W-2026-2058 — FasterXML Jackson: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in FasterXML Jackson ausnutzen, um Schutzmechanismen und Autorisierungsregeln zu umgehen, Daten zu manipulieren, Informationen offenzulegen oder einen Denial-of-Service zu verursachen.