CVE-2026-116826

MediumCVSS 6.8/10Last modified Oct 27, 2026

Description

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.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-918

Affected software

Vendor	Product	Versions
YesWiki	yeswiki	< 4.7.0

References

Timeline

Published: Oct 27, 2026
Last modified: Oct 27, 2026
NVD status: Deferred

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