{"id":"CVE-2026-116208","revision":"7c276356c97b4f1e91ab2e7908b9c0db","records":[{"revision":"7c276356c97b4f1e91ab2e7908b9c0db","observedAt":"2026-10-25T15:17:04.459+00:00","statement":{"source":"cve-program","id":"CVE-2026-116208","aliases":[],"title":"YesWiki 4.6.2 before 4.7.0 Missing Authorization in ActivityPub syncActorPosts","description":"YesWiki from 4.6.2 before 4.7.0 contains a missing authorization vulnerability in ActivityPubService::syncActorPosts that lets malicious ActivityPub servers manipulate other actors' mirrored entries. Attackers can serve a poisoned outbox with cross-actor Delete, Update, or Create activities during admin-initiated sync to delete, overwrite, forge, or mass-delete entries.","state":0,"publishedAt":"2026-10-25T13:20:38.152+00:00","modifiedAt":"2026-10-25T13:20:38.152+00:00","affected":[{"ecosystem":"Vendor product","name":"yeswiki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"YesWiki\",\n                    \"product\": \"yeswiki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.6.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.7.0\"\n                        },\n                        {\n                            \"version\": \"4.7.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","score":8.1,"severity":"HIGH"}],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-cr64-h6xp-9g2j","https://www.vulncheck.com/advisories/yeswiki-4.6.2-before-4.7.0-missing-authorization-in-activitypub-syncactorposts"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116208","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116208","identifiers":["CVE-2026-116208"]},"retained":false,"historicalAffected":[]}],"coverage":[]}