CVE-2026-80755: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-jcj2-5fhp-x66j
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Advisory Summary

CVE-2026-80755 is a security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-80755 at a Glance

CVE Identifier CVE-2026-80755
GHSA Identifier GHSA-jcj2-5fhp-x66j
Severity N/A
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2026-80755

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-2026-80755, 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: selinux: reject a permission value exceeding the class permission count perm_read() bounds a permission value by SEL_VEC_MAX but never by the nprim of the owning class or common, which is taken verbatim from the policy image. security_get_permissions() then writes perms[value - 1] into an nprim-sized kcalloc() array, so a class declaring fewer permissions than its largest permission value drives an out-of-bounds heap write. The top-level symbol tables are validated this way; the nested per-class permission table is not. Reject a permission whose value exceeds nprim, which is already set when perm_read() runs. Well-formed policies are unaffected. [PM: tweak comment for line length]

References

NVD — CVE-2026-80755 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-80755
git.kernel.org/stable/c/6c2ab7c454... WEB
https://git.kernel.org/stable/c/6c2ab7c4549f4f2305848df834e784651dbf1676
git.kernel.org/stable/c/a7f3d4f22d... WEB
https://git.kernel.org/stable/c/a7f3d4f22d920dc3c7d75f02ece0f7bf2c58437e
git.kernel.org/stable/c/d14b5d0e97... WEB
https://git.kernel.org/stable/c/d14b5d0e97fccd27974fedc03b903408872907fd
git.kernel.org/stable/c/dfc59a062c... WEB
https://git.kernel.org/stable/c/dfc59a062c386d3d4415ecdab781065a645f33cc

Frequently Asked Questions

What is CVE-2026-80755?
CVE-2026-80755 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-2026-80755?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-80755?
CVE-2026-80755 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-80755?
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-jcj2-5fhp-x66j",
  "modified" : "2026-09-03T15:32:16Z",
  "published" : "2026-09-03T15:32:16Z",
  "aliases" : [ "CVE-2026-80755" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: reject a permission value exceeding the class permission count\n\nperm_read() bounds a permission value by SEL_VEC_MAX but never by the\nnprim of the owning class or common, which is taken verbatim from the\npolicy image.  security_get_permissions() then writes perms[value - 1]\ninto an nprim-sized kcalloc() array, so a class declaring fewer\npermissions than its largest permission value drives an out-of-bounds\nheap write.  The top-level symbol tables are validated this way; the\nnested per-class permission table is not.\n\nReject a permission whose value exceeds nprim, which is already set when\nperm_read() runs.  Well-formed policies are unaffected.\n\n[PM: tweak comment for line length]",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-80755"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/6c2ab7c4549f4f2305848df834e784651dbf1676"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a7f3d4f22d920dc3c7d75f02ece0f7bf2c58437e"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/d14b5d0e97fccd27974fedc03b903408872907fd"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/dfc59a062c386d3d4415ecdab781065a645f33cc"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-09-03T13:06:15Z"
  }
}