CVE-2026-73682: Software Security Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-93jq-5gw9-rx3q
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CVSS 8.8
CWE-88
Published
Advisory Summary

CVE-2026-73682 is a HIGH (CVSS 8.8) security vulnerability vulnerability (CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-73682 at a Glance

CVE Identifier CVE-2026-73682
GHSA Identifier GHSA-93jq-5gw9-rx3q
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 8.8

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

Attack Vector Network (AV:N)
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-2026-73682

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-2026-73682, 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-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection'), where the product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. 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

Semaphore versions prior to 2.18.20 contain an OS command injection (argument injection) vulnerability in the repository git_url handling that allows authenticated users holding the Manager or Owner role on any project to achieve remote code execution on the Semaphore server host. Attackers can craft a malicious git_url value using git's --upload-pack= option to inject and execute arbitrary shell commands when the server processes repository operations using the default cmd_git client.

References

GitHub Advisory / Wiki ADVISORY
https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p
NVD — CVE-2026-73682 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73682
Security Fix Commit FIX COMMIT
https://github.com/semaphoreui/semaphore/commit/5d87656a680600125fe78edec1f7a0d10484b52c
Software Source Repository REPOSITORY
https://github.com/semaphoreui/semaphore
www.vulncheck.com/advisories/semaphor... WEB
https://www.vulncheck.com/advisories/semaphore-prior-to-version-os-command-injection-via-git-url-repository-handling

Frequently Asked Questions

What is CVE-2026-73682?
CVE-2026-73682 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection').
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-73682?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-73682?
CVE-2026-73682 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2026-73682?
CVE-2026-73682 is classified under CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') (The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.).
How can I check Maven dependencies for CVE-2026-73682?
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-93jq-5gw9-rx3q",
  "modified" : "2026-08-14T21:31:36Z",
  "published" : "2026-08-14T21:31:36Z",
  "aliases" : [ "CVE-2026-73682" ],
  "details" : "Semaphore versions prior to 2.18.20 contain an OS command injection (argument injection) vulnerability in the repository git_url handling that allows authenticated users holding the Manager or Owner role on any project to achieve remote code execution on the Semaphore server host. Attackers can craft a malicious git_url value using git's --upload-pack= option to inject and execute arbitrary shell commands when the server processes repository operations using the default cmd_git client.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-73682"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/semaphoreui/semaphore/commit/5d87656a680600125fe78edec1f7a0d10484b52c"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/semaphoreui/semaphore"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/semaphore-prior-to-version-os-command-injection-via-git-url-repository-handling"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-88" ],
    "severity" : "HIGH",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-14T21:17:58Z"
  }
}