CVE-2026-104455

MEDIUM 5.3

YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 500-character body excerpts of every latest page, including read-restricted drafts and notes.

CWE	CWE-200
Vendor	yeswiki
Product	yeswiki
Published	Oct 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

YesWiki / yeswiki

0 < 4.6.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-89vc-h4r4-h25q vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-read-acl-bypass-via-recentchangesrssplus-rss-action

Credits

🔍 manus-use