CVE-2026-116208
YesWiki 4.6.2 before 4.7.0 Missing Authorization in ActivityPub syncActorPosts
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | yeswiki |
| Product | yeswiki |
| Published | Oct 25, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
YesWiki / yeswiki
4.6.2 < 4.7.0
References
Credits
🔍 manus-use