CVE-2026-116208

CVE-2026-116208CVE-2026-116208

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.

Scoring

CVSS 8.1 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Last modified2026-10-25
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.