CVE-2026-116877

{
  "etk_id": "ETK-2026-2751",
  "cve_id": "CVE-2026-116877",
  "display_id": "CVE-2026-116877",
  "ghsa_id": "GHSA-2472-xm32-fr75",
  "euvd_id": "EUVD-2026-110705",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Resource exhaustion in SemanticMediaWiki recurring events",
  "summary": "SemanticMediaWiki versions 2.5.0 through before 7.3.1 are affected by uncontrolled resource consumption in recurring-event processing. A low-privilege editor who can save pages can cause excessive CPU, memory, and database use by creating recurring events without an end date and with an excessive limit.",
  "mitigation": "Upgrade SemanticMediaWiki to version 7.3.1 or later. Until upgraded, restrict page-editing access to trusted users and review recurring-event pages for unbounded event definitions.",
  "vendor": "SemanticMediaWiki",
  "product": "SemanticMediaWiki",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.5.0, < 7.3.1"
      ],
      "ecosystem": "composer",
      "fixed_versions": [
        "7.3.1"
      ],
      "package_name": "mediawiki/semantic-media-wiki",
      "purl": "pkg:composer/mediawiki/semantic-media-wiki"
    }
  ],
  "cwes": [
    770
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "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",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 59.29849425,
  "t0_at": "2026-10-27T10:23:30.296000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-27T10:23:30.296000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-27T10:23:30.296000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-116877"
    }
  }
}