{"schema":"threatline.record/2","record":{"id":"CVE-2026-104459","aliases":["GHSA-x4mq-qxvc-g82j"],"summary":"YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle","details":"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.","categories":["Unclassified"],"product":"yeswiki","vendor":"YesWiki","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104459","source_modified_at":"2026-10-02T13:36:08.196Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"yeswiki","vendor":"YesWiki","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.6.7"},{"version":"4.6.7","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104459","source_modified_at":"2026-10-02T13:36:08.196Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"yeswiki","ecosystem":null},"version":"4.6.7","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00388,"percentile":0.31707,"score_date":"2026-10-23"},"published_at":"2026-10-02T11:38:28.254Z","modified_at":"2026-10-02T13:36:08.196Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-104459","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-02T13:36:08.196Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104459","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-x4mq-qxvc-g82j","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-activitypub-webfinger-actor-handle","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-02T13:35:47.304335Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-02T13:36:08.196Z","content_hash":"b864f3cb45e751da2ef42c11c58289e375fe7b434b64b381a937db3454d25b1b"}}