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CVE-2026-116877

8.7 high Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 10:26
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 15:06
  3. StatusReceived → PublishedNVD modified 2026-10-27 10:26
  4. StatusPublished → ReceivedNVD modified 2026-10-27 11:17
  5. CVSS8.7 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N) → 8.7 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-27 11:17
  6. First seenCVSS 8.7 · semanticmediawikiNVD modified 2026-10-27 10:26

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3