CVE-2026-116877

MediumCVSS 6.5/10Last modified Nov 4, 2026

Description

Semantic MediaWiki from 2.5.0 before 7.3.1 contains an uncontrolled resource consumption vulnerability that allows low-privilege editors to bypass smwgMaxNumRecurringEvents by supplying a large limit parameter. Attackers can save pages using #set_recurring_event without an end date to generate thousands or millions of date subobjects, exhausting CPU, memory, and database resources.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

No affected versions have been published.

Timeline

Published
Oct 27, 2026
Last modified
Nov 4, 2026
NVD status
Analyzed

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CVE-2026-116877: Medium severity, CVSS 6.5 | Vulnix