CVE-2026-116826

MEDIUM 6.8

YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile

CVSS Score

6.8

EPSS Score

0.0%

EPSS Percentile

0th

YesWiki before 4.7.0 contains a server-side request forgery vulnerability in DuplicationManager::downloadFile() that allows authenticated administrators to make arbitrary outbound requests via the files array. Attackers can POST file:// or internal URLs to /api/pages/{tag}/duplicate, storing local files, cloud metadata, or database credentials in the publicly accessible files/ directory.

CWE	CWE-918
Vendor	yeswiki
Product	yeswiki
Published	Oct 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

YesWiki / yeswiki

0 < 4.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-qmpm-85pr-3qq8 vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-authenticated-ssrf-via-page-duplication-api-downloadfile

Credits

🔍 manus-pi 🔍 manus-use