Missing Authorization in merkulove UnGrabber Allows Unauthorized Access

Publication date: 2025-12-31

Last updated on: 2026-04-23

Assigner: Patchstack

Description

Missing Authorization vulnerability in merkulove UnGrabber ungrabber allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UnGrabber: from n/a through <= 3.1.3.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-12-31

Last Modified

2026-04-23

Generated

2026-07-06

AI Q&A

2025-12-31

EPSS Evaluated

2026-07-05

NVD

CVE-2025-66149

Affected Vendors & Products

Vendor	Product	Version / Range
merkulove	ungrabber	3.1

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 a Missing Authorization issue in merkulove UnGrabber, where incorrectly configured access control security levels allow unauthorized actions. It affects versions up to 3.1.3.

Impact Analysis

The vulnerability can lead to unauthorized modification or disruption of the application, causing integrity and availability issues, but it does not impact confidentiality.

Hi! I’m here to help you understand CVE-2025-66149. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70