CVE-2026-5762 ReportIncident DiscussionTools integration causes slow requests
An attacker can cause slow requests and denial of service in MediaWiki via the ReportIncident extension due to unthrottled resource allocation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5762?
CVE-2026-5762 is a medium-severity denial of service vulnerability in Wikimedia Foundation MediaWiki - ReportIncident Extension, published on 7 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-770
Which versions are affected by CVE-2026-5762?
How do I fix CVE-2026-5762?
No fix has been published for CVE-2026-5762 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-5762 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5762 exists.
Sources
Also known as GHSA-grmr-hpr9-gww7.