CVE-2026-104464

YesWiki versions prior to 4.6.7 are vulnerable to a Server-Side Request Forgery (SSRF) vulnerability. This flaw allows unauthenticated attackers to force the server to make GET requests by providing an unvalidated actor URL within the Bazar abonnements sync action. Exploitation enables attackers ...

EUVD-2026-91475

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make server-side GET requests by supplying an unvalidated actor URL to the Bazar abonnements sync action. Attackers can target internal hosts or cloud metadata endpoints and chain...

CVE-2026-104464 YesWiki before 4.6.7 SSRF via Bazar abonnements sync actor parameter

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make server-side GET requests by supplying an unvalidated actor URL to the Bazar abonnements sync action. Attackers can target internal hosts or cloud metadata endpoints and chain...

CVE-2026-104464 YesWiki before 4.6.7 SSRF via Bazar abonnements sync actor parameter

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make server-side GET requests by supplying an unvalidated actor URL to the Bazar abonnements sync action. Attackers can target internal hosts or cloud metadata endpoints and chain...

CVE-2026-104463

YesWiki versions prior to 4.6.7 are vulnerable to a Server-Side Request Forgery (SSRF) vulnerability. An unauthenticated attacker can trigger server-side requests by sending signed Follow activities to the public forms actor inbox route. By signing requests with their own keyId and supplying inte...

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 the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in...

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 the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in...

EUVD-2026-91474

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...

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 the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in...

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. Attackers can POST a crafted actorhandle with a numeric host and port to the abonnements view to probe internal HTTPS...

CVE-2026-104459

Versions of YesWiki prior to 4.6.7 are vulnerable to a Server-Side Request Forgery (SSRF) in the WebfingerService component. Unauthenticated attackers can exploit this by sending a POST request containing a crafted actor_handle with a numeric host and port to the abonnements view. This allows the...

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. Attackers can POST a crafted actorhandle with a numeric host and port to the abonnements view to probe internal HTTPS...

EUVD-2026-91470

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 actorhandle with a numeric host and port to the abonnements view to probe internal HTTPS...

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. Attackers can POST a crafted actorhandle with a numeric host and port to the abonnements view to probe internal HTTPS...

CVE-2026-104458

YesWiki versions prior to 4.6.7 are vulnerable to a Server-Side Request Forgery (SSRF) vulnerability within the validateKeyIdUrl() function. This flaw allows unauthenticated attackers to bypass the existing SSRF guard by utilizing 6to4, NAT64, or IPv4-compatible IPv6 addresses . By sending a craf...

CVE-2026-104458 YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach...

EUVD-2026-91469

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach...

CVE-2026-104458 YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach...

CVE-2026-104458 YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach...

CVE-2026-104442

YesWiki versions prior to 4.6.7 are vulnerable to an unauthenticated Server-Side Request Forgery (SSRF) . The root cause is the lack of input validation in the render handler's content parameter , which allows remote attackers to supply a syndication action . This enables the server to fetch arbi...