CVE-2026-5762

Received Received - Intake

Resource Exhaustion DoS in MediaWiki ReportIncident Extension

Publication date: 2026-04-07

Last updated on: 2026-04-08

Assigner: wikimedia-foundation

Description

Allocation of resources without limits or throttling vulnerability in Wikimedia Foundation MediaWiki - ReportIncident Extension allows HTTP DoS. This issue was remediated only on the `master` branch.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-07

Last Modified

2026-04-08

Generated

2026-07-06

AI Q&A

2026-04-08

EPSS Evaluated

2026-07-05

NVD

CVE-2026-5762

EUVD

EUVD-2026-19897

Affected Vendors & Products

Vendor	Product	Version / Range
wikimedia	mediawiki_reportincident_extension	1.43.7
wikimedia	mediawiki_reportincident_extension	1.44.4
wikimedia	mediawiki_reportincident_extension	1.45.2

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-770	The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Attack-Flow Graph

Mitigation Strategies

The vulnerability was remediated only on the master branch of the Wikimedia Foundation MediaWiki ReportIncident Extension.

To mitigate this vulnerability immediately, you should update or patch the ReportIncident Extension to the fixed version available on the master branch.

Executive Summary

This vulnerability exists in the Wikimedia Foundation MediaWiki ReportIncident Extension versions 1.43.7, 1.44.4, and 1.45.2. It involves the allocation of resources without any limits or throttling, which allows an attacker to cause an HTTP Denial of Service (DoS) by overwhelming the system.

Impact Analysis

The vulnerability can impact you by enabling an attacker to perform an HTTP Denial of Service (DoS) attack against the affected MediaWiki ReportIncident Extension. This can lead to service disruption, making the affected web service unavailable or unresponsive to legitimate users.

Hi! I’m here to help you understand CVE-2026-5762. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70