Is CVE-2026-116826 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116826?

CVE-2026-116826 has a CVSS v3 severity of MEDIUM (6.8).

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CVE-2026-116826

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.