What is GHSA-wpv5-x9h8-8qxg?

GHSA-wpv5-x9h8-8qxg is a security advisory published by GitHub Security Advisories with High severity. YesWiki from 4.6.2 before 4.7.0 contains a missing authorization vulnerability in...

Which CVE IDs does GHSA-wpv5-x9h8-8qxg cover?

GHSA-wpv5-x9h8-8qxg covers the following CVE IDs: CVE-2026-116208. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wpv5-x9h8-8qxg?

GHSA-wpv5-x9h8-8qxg has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-wpv5-x9h8-8qxgHighCVSS 8.1

YesWiki from 4.6.2 before 4.7.0 contains a missing authorization vulnerability in...

Vendor

GitHub Security Advisories

Published

October 25, 2026

Last Modified

October 25, 2026

🔗 CVE IDs covered (1)

CVE-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.

🔗 References (4)

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-cr64-h6xp-9g2j
https://nvd.nist.gov/vuln/detail/CVE-2026-116208
https://www.vulncheck.com/advisories/yeswiki-4.6.2-before-4.7.0-missing-authorization-in-activitypub-syncactorposts
https://github.com/advisories/GHSA-wpv5-x9h8-8qxg