CVE-2026-104463 — YesWiki before 4.6.7 Unauthenticated SSRF via ActivityPub Inbox
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…
Published: 2026-10-02 · CVSS: 8.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7