CVE-2026-104459 — YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. …
Published: 2026-10-02 · CVSS: 6.9 · CVSS 4.0
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a crafted actor_handle with a numeric host and port to the abonnements view to probe internal HTTPS services and ports.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7