{"id":"CVE-2026-116877","aliases":[],"title":"Semantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via #set_recurring_event","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"SemanticMediaWiki","name":"SemanticMediaWiki","platforms":[],"versions":[{"version":"2.5.0","status":"affected","lessThan":"7.3.1","versionType":"semver"},{"version":"7.3.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116877"}],"remediation":[],"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resources.","severity":"high","score":8.7,"published":"2026-10-27T10:23:30.296Z","modified":"2026-10-27T10:26:42.104Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-vxrm-2g9f-2vqh","https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/215599f0fc03274fd4cee9ba0f7162f5a38c031b","https://www.vulncheck.com/advisories/semantic-mediawiki-2.5.0-before-7.3.1-resource-exhaustion-via-set-recurring-event"],"sources":[{"name":"CVE","id":"CVE-2026-116877","modified":"2026-10-27T10:26:42.104Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116877"}],"assessments":[{"source":"VulnCheck","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","score":8.7},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T20:45:31.448Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}