CVE-2026-43114: Software Security Vulnerability Vulnerability

CRITICAL

Advisory Identifier: GHSA-6cwp-88hv-x237

CVSS 9.4

Published 2026-05-06

Advisory Summary

CVE-2026-43114 is a CRITICAL (CVSS 9.4) security vulnerability vulnerability (CWE-20: Improper Input Validation) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-43114 at a Glance

CVE Identifier CVE-2026-43114

GHSA Identifier GHSA-6cwp-88hv-x237

Severity CRITICAL

CVSS v3.1 Base Score 9.4

CWE Classification CWE-20: Improper Input Validation

Affected Product Software

Package Ecosystem Maven

Published Date 2026-05-06

Last Updated 2026-10-15

Security Impact

CVSS: 9.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L).

Attack Vector Network (AV:N)

Attack Complexity Low (AC:L)

Privileges Required None (PR:N)

User Interaction None (UI:N)

Scope Unchanged (S:U)

Confidentiality High (C:H)

Integrity High (I:H)

Availability Low (A:L)

How to Fix CVE-2026-43114

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-43114, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipapo set with 'ipv4 . port' key, i.e. nft -f foo. This works. Then, it reloads the set after a flush: (echo flush set t s; cat foo) | nft -f - This is expected to work, because its the same set after all and it was already loaded once. But with avx2, this fails: nft reports a clashing element. The reported clash is of following form: We successfully re-inserted a . b c . d Then we try to insert a . d avx2 finds the already existing a . d, which (due to 'flush set') is marked as invalid in the new generation. It skips the element and moves to next. Due to incorrect masking, the skip-step finds the next matching element *only considering the first field*, i.e. we return the already reinserted "a . b", even though the last field is different and the entry should not have been matched. No such error is reported for the generic c implementation (no avx2) or when the last field has to use the 'nft_pipapo_avx2_lookup_slow' fallback. Bisection points to 7711f4bb4b36 ("netfilter: nft_set_pipapo: fix range overlap detection") but that fix merely uncovers this bug. Before this commit, the wrong element is returned, but erronously reported as a full, identical duplicate. The root-cause is too early return in the avx2 match functions. When we process the last field, we should continue to process data until the entire input size has been consumed to make sure no stale bits remain in the map.

References

NVD — CVE-2026-43114 NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-43114

Software Security Information SECURITY

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43114.json

git.kernel.org/stable/c/fa4f1f5252... WEB

https://git.kernel.org/stable/c/fa4f1f52528c73989d820f32bfca06bec5afeece

git.kernel.org/stable/c/f8c39983fc... WEB

https://git.kernel.org/stable/c/f8c39983fc9c1a978c82e6f2df7bfba8a8561587

git.kernel.org/stable/c/d3c0037ffe... WEB

https://git.kernel.org/stable/c/d3c0037ffe1273fa1961e779ff6906234d6cf53c

git.kernel.org/stable/c/c7babe2f28... WEB

https://git.kernel.org/stable/c/c7babe2f28b507e17f28e9f753b7caec72d4857f

git.kernel.org/stable/c/3d53f9aafd... WEB

https://git.kernel.org/stable/c/3d53f9aafd469ae1ea27051e00f5b96ca1b55d52

git.kernel.org/stable/c/1c43f0dd86... WEB

https://git.kernel.org/stable/c/1c43f0dd8691ddf8884793b481ddc7511cf593c3

git.kernel.org/stable/c/0abbc43f71... WEB

https://git.kernel.org/stable/c/0abbc43f71d99baadeeba6fa3fe1c80b676f57ed

git.kernel.org/stable/c/07de44424b... WEB

https://git.kernel.org/stable/c/07de44424bb7f17ef9357e8535df96d9e97c40cb

cert-portal.siemens.com/productcert/html/ss... WEB

https://cert-portal.siemens.com/productcert/html/ssa-784472.html

bugzilla.redhat.com/show_bug.cgi WEB

https://bugzilla.redhat.com/show_bug.cgi?id=2466994

Software Security Information SECURITY

https://access.redhat.com/security/cve/CVE-2026-43114

access.redhat.com/errata/rhsa-2026:67... WEB

https://access.redhat.com/errata/RHSA-2026:67723

access.redhat.com/errata/rhsa-2026:67... WEB

https://access.redhat.com/errata/RHSA-2026:67721

access.redhat.com/errata/rhsa-2026:66... WEB

https://access.redhat.com/errata/RHSA-2026:66376

access.redhat.com/errata/rhsa-2026:66... WEB

https://access.redhat.com/errata/RHSA-2026:66370

access.redhat.com/errata/rhsa-2026:66... WEB

https://access.redhat.com/errata/RHSA-2026:66351

access.redhat.com/errata/rhsa-2026:65... WEB

https://access.redhat.com/errata/RHSA-2026:65712

access.redhat.com/errata/rhsa-2026:64... WEB

https://access.redhat.com/errata/RHSA-2026:64767

access.redhat.com/errata/rhsa-2026:63... WEB

https://access.redhat.com/errata/RHSA-2026:63093

access.redhat.com/errata/rhsa-2026:62... WEB

https://access.redhat.com/errata/RHSA-2026:62642

access.redhat.com/errata/rhsa-2026:62... WEB

https://access.redhat.com/errata/RHSA-2026:62641

access.redhat.com/errata/rhsa-2026:62... WEB

https://access.redhat.com/errata/RHSA-2026:62640

access.redhat.com/errata/rhsa-2026:62... WEB

https://access.redhat.com/errata/RHSA-2026:62639

access.redhat.com/errata/rhsa-2026:62... WEB

https://access.redhat.com/errata/RHSA-2026:62638

access.redhat.com/errata/rhsa-2026:62... WEB

https://access.redhat.com/errata/RHSA-2026:62568

access.redhat.com/errata/rhsa-2026:59... WEB

https://access.redhat.com/errata/RHSA-2026:59723

Frequently Asked Questions

What is CVE-2026-43114?

CVE-2026-43114 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-20: Improper Input Validation.

Which Software versions are affected?

Affected versions include releases prior to current release patches.

What version fixes CVE-2026-43114?

Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.

What is the CVSS score of CVE-2026-43114?

CVE-2026-43114 has a CVSS v3.1 base score of 9.4 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

What CWE is associated with CVE-2026-43114?

CVE-2026-43114 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).

How can I check Maven dependencies for CVE-2026-43114?

Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.

Machine-readable OSV JSON OSV v1.5 Schema

Normalized schema output

View Raw JSON

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CVSS V3

9.4 CRITICAL

Attack Vector Network (AV:N)

Attack Complexity Low (AC:L)

Privileges Required None (PR:N)

User Interaction None (UI:N)

Scope Unchanged (S:U)

Confidentiality High (C:H)

Integrity High (I:H)

Availability Low (A:L)

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Advisory Metadata

Source ID: GHSA-6cwp-88hv-x237
Schema Version: 1.4.0
Published: 2026-05-06 12:30
Last Modified: 2026-10-15 03:35
Database Record File: advisories/unreviewed/2026/05/GHSA-6cwp-88hv-x237/GHSA-6cwp-88hv-x237.json