{"id":"CVE-2026-116890","title":"Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API","summary":"Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSR…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cvssSource":"cna","cwe":["CWE-862"],"vendor":"SemanticMediaWiki","product":"SemanticMediaWiki","affected":["SemanticMediaWiki >= 3.0.0 < 7.3.0"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-27T13:46:26.251028Z"},"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T14:12:54.564Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116890","references":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-jr78-w6w5-m8f8","label":"GitHub Security Advisory (GHSA-jr78-w6w5-m8f8)"},{"url":"https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.0-missing-authorization-via-smwtask-api","label":"VulnCheck Advisory: Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.444Z","slug":"CVE-2026-116890","body":"## Overview\n\nSemantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSRF token to read internal store statistics, enqueue jobs like smw.entityIdDisposer, and execute queued jobs, degrading performance and altering semantic data.\n\n## Affected\n\n- `SemanticMediaWiki >= 3.0.0 < 7.3.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}