{"id":"CVE-2026-104459","revision":"76d8685bd8ca43248ca5de408bb57da1","records":[{"revision":"76d8685bd8ca43248ca5de408bb57da1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-104459","aliases":[],"title":"YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle","description":"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.","state":0,"publishedAt":"2026-10-02T11:38:28.254+00:00","modifiedAt":"2026-10-02T13:36:08.196+00:00","affected":[{"ecosystem":"Vendor product","name":"yeswiki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"YesWiki\",\n                    \"product\": \"yeswiki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.6.7\"\n                        },\n                        {\n                            \"version\": \"4.6.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-x4mq-qxvc-g82j","https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-activitypub-webfinger-actor-handle"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104459","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-104459","identifiers":["CVE-2026-104459"]},"retained":false,"historicalAffected":[]}],"coverage":[]}