CVE-2026-43189: Software Security Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-qjw7-wgfm-9frq
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CVSS 5.5
Published
Advisory Summary

CVE-2026-43189 is a MODERATE (CVSS 5.5) security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-43189 at a Glance

CVE Identifier CVE-2026-43189
GHSA Identifier GHSA-qjw7-wgfm-9frq
Severity MODERATE
CVSS v3.1 Base Score 5.5
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.5

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

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2026-43189

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-2026-43189, 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 General Security Weakness. 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: media: v4l2-async: Fix error handling on steps after finding a match Once an async connection is found to be matching with an fwnode, a sub-device may be registered (in case it wasn't already), its bound operation is called, ancillary links are created, the async connection is added to the sub-device's list of connections and removed from the global waiting connection list. Further on, the sub-device's possible own notifier is searched for possible additional matches. Fix these specific issues: - If v4l2_async_match_notify() failed before the sub-notifier handling, the async connection was unbound and its entry removed from the sub-device's async connection list. The latter part was also done in v4l2_async_match_notify(). - The async connection's sd field was only set after creating ancillary links in v4l2_async_match_notify(). It was however dereferenced in v4l2_async_unbind_subdev_one(), which was called on error path of v4l2_async_match_notify() failure.

References

NVD — CVE-2026-43189 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43189
git.kernel.org/stable/c/2de0a3c814... WEB
https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119
git.kernel.org/stable/c/30aaed311f... WEB
https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48
git.kernel.org/stable/c/461733d83e... WEB
https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f
git.kernel.org/stable/c/7345d6d356... WEB
https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12
git.kernel.org/stable/c/b02bcb378e... WEB
https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55

Frequently Asked Questions

What is CVE-2026-43189?
CVE-2026-43189 is a security vulnerability in Software classified as a security vulnerability vulnerability under General Security Weakness.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-43189?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-43189?
CVE-2026-43189 has a CVSS v3.1 base score of 5.5 (MODERATE) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2026-43189?
CVE-2026-43189 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-43189?
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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  "schema_version" : "1.4.0",
  "id" : "GHSA-qjw7-wgfm-9frq",
  "modified" : "2026-05-11T21:31:30Z",
  "published" : "2026-05-06T12:30:32Z",
  "aliases" : [ "CVE-2026-43189" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-async: Fix error handling on steps after finding a match\n\nOnce an async connection is found to be matching with an fwnode, a\nsub-device may be registered (in case it wasn't already), its bound\noperation is called, ancillary links are created, the async connection\nis added to the sub-device's list of connections and removed from the\nglobal waiting connection list. Further on, the sub-device's possible own\nnotifier is searched for possible additional matches.\n\nFix these specific issues:\n\n- If v4l2_async_match_notify() failed before the sub-notifier handling,\n  the async connection was unbound and its entry removed from the\n  sub-device's async connection list. The latter part was also done in\n  v4l2_async_match_notify().\n\n- The async connection's sd field was only set after creating ancillary\n  links in v4l2_async_match_notify(). It was however dereferenced in\n  v4l2_async_unbind_subdev_one(), which was called on error path of\n  v4l2_async_match_notify() failure.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-43189"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/2de0a3c8148fc3dbea21981e6569f550b3626119"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/30aaed311f973f13ba13a0cd2dc0202f595fff48"
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    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/461733d83e67ba7e3a5b750c0d203f738e01244f"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/7345d6d356336c448d6b9230ed8704f39679fd12"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/b02bcb378efa8af07827f49b3afcc5e825318c55"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-05-06T12:16:37Z"
  }
}