CVE-2026-116826 — MEDIUM (6.8)

Vulnerability 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.

CVSS Score

6.8

MEDIUM

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

Related Weaknesses (CWE)

CWE-918

References

FAQ

What is CVE-2026-116826?

CVE-2026-116826 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 fil...

How severe is CVE-2026-116826?

CVE-2026-116826 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-116826?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.