CVE-2026-19547: Software Security Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-9vm9-29fm-cv7r
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CWE-426
Published
Advisory Summary

CVE-2026-19547 is a HIGH security vulnerability vulnerability (CWE-426: Untrusted Search Path) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-19547 at a Glance

CVE Identifier CVE-2026-19547
GHSA Identifier GHSA-9vm9-29fm-cv7r
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-426: Untrusted Search Path
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2026-19547

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-2026-19547, 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-426: Untrusted Search Path, where the product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. 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

Ghostscript for Windows is vulnerable to local privilege escalation through PostScript resource file hijacking. Due to the application searching for PostScript resource files in predictable paths under C:\\gs\\ that do not exist by default on Windows installations, combined with Windows default ACLs allowing any authenticated user to create directories at the root of C:\\, an attacker who is an authenticated local user can create the expected directory structure and plant a malicious PostScript file. When any user or service subsequently runs Ghostscript, the planted file is automatically loaded and executed with the full privileges of the Ghostscript process. This results in full compromise of Ghostscript process context, as well as running arbitrary code on the machine with Ghostscript process privileges. This issue was fixed in version 10.08.0.

References

NVD — CVE-2026-19547 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19547
bugs.ghostscript.com/show_bug.cgi WEB
https://bugs.ghostscript.com/show_bug.cgi?id=709522
cert.pl/en/posts/2026/09/cv... WEB
https://cert.pl/en/posts/2026/09/CVE-2026-19547
ghostscript.com WEB
https://ghostscript.com

Frequently Asked Questions

What is CVE-2026-19547?
CVE-2026-19547 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-426: Untrusted Search Path.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-19547?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-19547?
CVE-2026-19547 is classified under CWE-426: Untrusted Search Path (The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.).
How can I check Maven dependencies for CVE-2026-19547?
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-9vm9-29fm-cv7r",
  "modified" : "2026-09-29T12:31:29Z",
  "published" : "2026-09-29T12:31:29Z",
  "aliases" : [ "CVE-2026-19547" ],
  "details" : "Ghostscript for Windows is vulnerable to local privilege escalation through PostScript resource file hijacking. Due to the application searching for PostScript resource files in predictable paths under C:\\\\gs\\\\ that do not exist by default on Windows installations, combined with Windows default ACLs allowing any authenticated user to create directories at the root of C:\\\\, an attacker who is an authenticated local user can create the expected directory structure and plant a malicious PostScript file. When any user or service subsequently runs Ghostscript, the planted file is automatically loaded and executed with the full privileges of the Ghostscript process. This results in full compromise of Ghostscript process context, as well as running arbitrary code on the machine with Ghostscript process privileges.\n\n\nThis issue was fixed in version 10.08.0.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/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" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-19547"
  }, {
    "type" : "WEB",
    "url" : "https://bugs.ghostscript.com/show_bug.cgi?id=709522"
  }, {
    "type" : "WEB",
    "url" : "https://cert.pl/en/posts/2026/09/CVE-2026-19547"
  }, {
    "type" : "WEB",
    "url" : "https://ghostscript.com"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-426" ],
    "severity" : "HIGH",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-09-29T10:17:11Z"
  }
}