CVE-2026-5762
Resource Exhaustion DoS in MediaWiki ReportIncident Extension
Publication date: 2026-04-07
Last updated on: 2026-04-08
Assigner: wikimedia-foundation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
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 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
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.