VULNERABILITY INTELLIGENCE
CVE-2026-116208
CVSS score8.1 HIGH
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-10-25
Last modified2026-10-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-862