HIGHCVSS v3.1 8.1Vulnerability

CVE-2026-116208

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.

Properties

Severity
HIGH
Nvd fetched at
2026-10-25T14:48:34.194958+00:00
Cvss severity
HIGH
Cvss score
8.1
Retrieved at
2026-10-25T14:49:38+00:00
Score
8.1
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-116208
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
First seen by Signal
2026-10-25T14:49:38+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Published at
2026-10-25T14:17:02.010
Last modified
2026-10-25T14:17:02.143

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-116208 (CVSS v3.1 8.1) — Ninja Signal Threat Intelligence | Ninja Signal