{"id":"CVE-2026-116879","title":"Semantic MediaWiki 7.3.0 before 7.3.1 Missing Authorization via smwtask Update Task","summary":"Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task that allows users with edit rights to force semantic updates on arbitrary pages. Attackers can supply a serialized subje…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-862"],"vendor":"SemanticMediaWiki","product":"SemanticMediaWiki","affected":["SemanticMediaWiki >= 7.3.0 < 7.3.1"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T10:26:43.410Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116879","references":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6wrc-864f-6vqp","label":"GitHub Security Advisory (GHSA-6wrc-864f-6vqp)"},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/cba0541d1f931e5c5440a483790dd7c3dec1751d"},{"url":"https://www.vulncheck.com/advisories/semantic-mediawiki-7.3.0-before-7.3.1-missing-authorization-via-smwtask-update-task","label":"VulnCheck Advisory: Semantic MediaWiki 7.3.0 before 7.3.1 Missing Authorization via smwtask Update Task"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.285Z","slug":"CVE-2026-116879","body":"## Overview\n\nSemantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task that allows users with edit rights to force semantic updates on arbitrary pages. Attackers can supply a serialized subject parameter for a restricted page to trigger forced reparsing, semantic-store writes, and resource-intensive dependency work.\n\n## Affected\n\n- `SemanticMediaWiki >= 7.3.0 < 7.3.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}