Unauthenticated Broken Access Control in Classified Listing

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Unauthenticated Broken Access Control in Classified Listing <= 5.3.8 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-42640

Affected Vendors & Products

Vendor	Product	Version / Range
patchstack	classified_listing	to 5.3.8 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is an unauthenticated broken access control issue found in Classified Listing versions up to and including 5.3.8.

Broken access control means that users who are not authenticated can access resources or perform actions that should be restricted.

Impact Analysis

Because the vulnerability allows unauthenticated users to bypass access controls, it can lead to unauthorized access to sensitive information or functionality.

The CVSS score of 6.5 indicates a medium severity impact, with potential confidentiality and integrity loss but no impact on availability.

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