CVE-2026-0817

{"id": "CVE-2026-0817", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-01-09T16:16:08.030", "references": [{"url": "https://gerrit.wikimedia.org/r/q/I7ed0049691258c8bd2555e599b9b88490fbe3358", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}, {"url": "https://phabricator.wikimedia.org/T410560", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39."}], "lastModified": "2026-01-09T18:15:50.660", "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}