CVE-2026-5762: CWE-770 Allocation of resources without limits or throttling in Wikimedia Foundation MediaWiki - ReportIncident Extension
CVE-2026-5762 is a medium severity vulnerability in the Wikimedia Foundation's MediaWiki ReportIncident Extension. It involves allocation of resources without limits or throttling, which can lead to an HTTP Denial of Service (DoS) condition. The issue affects versions 0 through 1. 45 of the extension. A fix has been applied only on the master branch, but no official patch or remediation level has been confirmed for released versions. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CWE-770) in the MediaWiki ReportIncident Extension allows an attacker to cause an HTTP Denial of Service by triggering uncontrolled resource allocation due to lack of limits or throttling. The affected versions include 0, 1.43, 1.44, and 1.45. The issue was remediated on the master branch, but no official patch or vendor advisory confirming a fix for released versions is available. The CVSS 4.0 base score is 5.3, indicating medium severity, with network attack vector, low privileges required, and no user interaction needed.
Potential Impact
The vulnerability can be exploited to cause an HTTP Denial of Service, potentially disrupting availability of the MediaWiki service using the ReportIncident Extension. There are no reports of active exploitation. The impact is limited to service disruption without elevation of privileges or data compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. The issue has been fixed on the master branch, so upgrading to a version including this fix when officially released is recommended. Until then, consider limiting access to the ReportIncident Extension or applying custom throttling controls if feasible.
CVE-2026-5762: CWE-770 Allocation of resources without limits or throttling in Wikimedia Foundation MediaWiki - ReportIncident Extension
Description
CVE-2026-5762 is a medium severity vulnerability in the Wikimedia Foundation's MediaWiki ReportIncident Extension. It involves allocation of resources without limits or throttling, which can lead to an HTTP Denial of Service (DoS) condition. The issue affects versions 0 through 1. 45 of the extension. A fix has been applied only on the master branch, but no official patch or remediation level has been confirmed for released versions. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-770) in the MediaWiki ReportIncident Extension allows an attacker to cause an HTTP Denial of Service by triggering uncontrolled resource allocation due to lack of limits or throttling. The affected versions include 0, 1.43, 1.44, and 1.45. The issue was remediated on the master branch, but no official patch or vendor advisory confirming a fix for released versions is available. The CVSS 4.0 base score is 5.3, indicating medium severity, with network attack vector, low privileges required, and no user interaction needed.
Potential Impact
The vulnerability can be exploited to cause an HTTP Denial of Service, potentially disrupting availability of the MediaWiki service using the ReportIncident Extension. There are no reports of active exploitation. The impact is limited to service disruption without elevation of privileges or data compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. The issue has been fixed on the master branch, so upgrading to a version including this fix when officially released is recommended. Until then, consider limiting access to the ReportIncident Extension or applying custom throttling controls if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- wikimedia-foundation
- Date Reserved
- 2026-04-07T18:21:15.769Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d5874b43e2781bad84eb07
Added to database: 4/7/2026, 10:38:03 PM
Last enriched: 4/15/2026, 12:37:11 PM
Last updated: 5/23/2026, 6:42:12 PM
Views: 64
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.