CVE-2026-104463
HIGH
NVD
CVSS Score
7
Severity
HIGH
Published
Oct 02, 2026
Vendor
unknown
Description
YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger server requests by sending signed Follow activities to the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in the body, reaching internal hosts or cloud metadata via blind GET and POST requests.