CVE-2026-19598: Software Security Vulnerability Vulnerability

CRITICAL
Advisory Identifier: GHSA-hmmc-48gm-3645
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CVSS 9.8
CWE-863
Published
Advisory Summary

CVE-2026-19598 is a CRITICAL (CVSS 9.8) security vulnerability vulnerability (CWE-863: Incorrect Authorization) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-19598 at a Glance

CVE Identifier CVE-2026-19598
GHSA Identifier GHSA-hmmc-48gm-3645
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-863: Incorrect Authorization
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 9.8

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
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-2026-19598

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-2026-19598, 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-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. 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

The Pods – Custom Content Types and Fields plugin for WordPress is vulnerable to Privilege Escalation via Authorization Bypass in all versions up to, and including, 3.3.9. The vulnerability exists because the pods_admin AJAX router funnels every access check — including the method allowlist, nonce verification, login enforcement, and capability gate — through pods_error(), which under the JSON meta-box-loader compatibility path only writes failures to the PHP error log and returns false instead of terminating the request, rendering all guards ineffective. This makes it possible for unauthenticated attackers to escalate their privileges to Administrator or overwrite the password of any user account, including the site owner's, enabling complete site takeover, or perform another administrator action.

References

NVD — CVE-2026-19598 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19598
plugins.trac.wordpress.org/browser/pods/tags/3... WEB
https://plugins.trac.wordpress.org/browser/pods/tags/3.3.9/includes/general.php#L400
www.wordfence.com/threat-intel/vulner... WEB
https://www.wordfence.com/threat-intel/vulnerabilities/id/3628032a-3121-45a7-8a78-cfcd8ba6af2f?source=cve

Frequently Asked Questions

What is CVE-2026-19598?
CVE-2026-19598 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-863: Incorrect Authorization.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-19598?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-19598?
CVE-2026-19598 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2026-19598?
CVE-2026-19598 is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check Maven dependencies for CVE-2026-19598?
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-hmmc-48gm-3645",
  "modified" : "2026-08-15T18:31:18Z",
  "published" : "2026-08-15T18:31:18Z",
  "aliases" : [ "CVE-2026-19598" ],
  "details" : "The Pods – Custom Content Types and Fields plugin for WordPress is vulnerable to Privilege Escalation via Authorization Bypass in all versions up to, and including, 3.3.9. The vulnerability exists because the pods_admin AJAX router funnels every access check — including the method allowlist, nonce verification, login enforcement, and capability gate — through pods_error(), which under the JSON meta-box-loader compatibility path only writes failures to the PHP error log and returns false instead of terminating the request, rendering all guards ineffective.  This makes it possible for unauthenticated attackers to escalate their privileges to Administrator or overwrite the password of any user account, including the site owner's, enabling complete site takeover, or perform another administrator action.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-19598"
  }, {
    "type" : "WEB",
    "url" : "https://plugins.trac.wordpress.org/browser/pods/tags/3.3.9/includes/general.php#L400"
  }, {
    "type" : "WEB",
    "url" : "https://www.wordfence.com/threat-intel/vulnerabilities/id/3628032a-3121-45a7-8a78-cfcd8ba6af2f?source=cve"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "CRITICAL",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-15T18:16:23Z"
  }
}