What is GHSA-h2q6-cgj7-p65g?

GHSA-h2q6-cgj7-p65g is a security advisory published by GitHub Security Advisories with High severity. YesWiki before 4.6.7 contains an access control vulnerability allowing unauthenticated attackers...

Which CVE IDs does GHSA-h2q6-cgj7-p65g cover?

GHSA-h2q6-cgj7-p65g covers the following CVE IDs: CVE-2026-104449. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h2q6-cgj7-p65g?

GHSA-h2q6-cgj7-p65g has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-h2q6-cgj7-p65gHighCVSS 6.5

YesWiki before 4.6.7 contains an access control vulnerability allowing unauthenticated attackers...

Vendor

GitHub Security Advisories

Published

October 2, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-104449 →

📋 Description

YesWiki before 4.6.7 contains an access control vulnerability allowing unauthenticated attackers to overwrite any existing wiki page, including pages whose write ACL restricts editing, via the Bazar entry-creation flow. Attackers can submit a crafted entry with an attacker-controlled id_fiche matching an existing page, overwriting its body for mass defacement and content destruction.

🔗 References (4)

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-4388-phmh-jrw8
https://nvd.nist.gov/vuln/detail/CVE-2026-104449
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unauthenticated-page-overwrite-via-bazar-id-fiche
https://github.com/advisories/GHSA-h2q6-cgj7-p65g