YesWiki before 4.6.7 contains an authorization bypass vulnerability in the comments API editComment route that allows authenticated low-privilege users to overwrite arbitrary pages or comments by supplying their own page as the pagetag field. Attackers can send a POST request to the api/comments endpoint targeting a victim tag, bypassing per-page write ACLs to replace content and reparent existing pages or comments.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 02 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
Description YesWiki before 4.6.7 contains an authorization bypass vulnerability in the comments API editComment route that allows authenticated low-privilege users to overwrite arbitrary pages or comments by supplying their own page as the pagetag field. Attackers can send a POST request to the api/comments endpoint targeting a victim tag, bypassing per-page write ACLs to replace content and reparent existing pages or comments.
Title YesWiki before 4.6.7 Authorization Bypass via Comments API editComment
First Time appeared Yeswiki
Yeswiki yeswiki
Weaknesses CWE-639
CPEs cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*
Vendors & Products Yeswiki
Yeswiki yeswiki
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-02T11:38:18.369Z

Reserved: 2026-10-02T00:53:03.851Z

Link: CVE-2026-104444

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-02T12:17:15.490

Modified: 2026-10-02T12:17:15.607

Link: CVE-2026-104444

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-02T14:15:14Z

Weaknesses