CVE-2026-68419: Software Security Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-f527-f42m-rc5q
Share
CVSS 7.8
CWE-20
Published
Advisory Summary

CVE-2026-68419 is a HIGH (CVSS 7.8) 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-2026-68419 at a Glance

CVE Identifier CVE-2026-68419
GHSA Identifier GHSA-f527-f42m-rc5q
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification CWE-20: Improper Input Validation
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 7.8

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:H/I:H/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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2026-68419

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-2026-68419, 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: RDMA/irdma: Prevent rereg_mr for non-mem regions When a QP/CQ/SRQ is created, a two step process is used where the buffer is allocated in userspace and explicitly registered with the normal reg_mr mechanism prior to creating the actual QP/CQ/SRQ object. These special registrations are indicated via an ABI field so the driver knows that they do not have a valid mkey and to skip the actual CQP command submission. Since these are real MR objects from the core's perspective, it is possible for a user application to invoke rereg_mr on them and cause a real CQP op to be emitted with the zero-initialized mkey value of 0. Fix this by preventing rereg_mr on these special regions.

References

NVD — CVE-2026-68419 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-68419
git.kernel.org/stable/c/a846aecb93... WEB
https://git.kernel.org/stable/c/a846aecb931b4d65d5eafa92a0623545af46d4f2
git.kernel.org/stable/c/b5029e91c6... WEB
https://git.kernel.org/stable/c/b5029e91c63406e4f4c8d58161048b41b6f0bd8c
git.kernel.org/stable/c/ca1c29f052... WEB
https://git.kernel.org/stable/c/ca1c29f05274b737dc964e28b97803750d7cf7ec
git.kernel.org/stable/c/dbaa37e060... WEB
https://git.kernel.org/stable/c/dbaa37e060918c45517786e37ecab0f300b48fa9
git.kernel.org/stable/c/fb46d134e1... WEB
https://git.kernel.org/stable/c/fb46d134e1b8690bed2da9005b36d32d2efd34ac

Frequently Asked Questions

What is CVE-2026-68419?
CVE-2026-68419 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-2026-68419?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-68419?
CVE-2026-68419 has a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2026-68419?
CVE-2026-68419 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-2026-68419?
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 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-f527-f42m-rc5q",
  "modified" : "2026-08-14T00:31:58Z",
  "published" : "2026-08-10T15:33:50Z",
  "aliases" : [ "CVE-2026-68419" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Prevent rereg_mr for non-mem regions\n\nWhen a QP/CQ/SRQ is created, a two step process is used\nwhere the buffer is allocated in userspace and explicitly\nregistered with the normal reg_mr mechanism prior to creating\nthe actual QP/CQ/SRQ object.\n\nThese special registrations are indicated via an ABI field\nso the driver knows that they do not have a valid mkey and\nto skip the actual CQP command submission.\n\nSince these are real MR objects from the core's perspective,\nit is possible for a user application to invoke rereg_mr on them\nand cause a real CQP op to be emitted with the zero-initialized\nmkey value of 0.\n\nFix this by preventing rereg_mr on these special regions.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-68419"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a846aecb931b4d65d5eafa92a0623545af46d4f2"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/b5029e91c63406e4f4c8d58161048b41b6f0bd8c"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/ca1c29f05274b737dc964e28b97803750d7cf7ec"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/dbaa37e060918c45517786e37ecab0f300b48fa9"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/fb46d134e1b8690bed2da9005b36d32d2efd34ac"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "HIGH",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-10T13:20:35Z"
  }
}