{"id":"CVE-2026-111662","summary":"Chaskiq through 2.0.3 Unauthenticated SSRF via /oembed Endpoint","details":"Chaskiq through 2.0.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server fetch arbitrary URLs via the url parameter of the /oembed endpoint. Attackers can target loopback, private, or cloud-metadata addresses through FetchLinkCardService, which follows redirects and skips TLS verification, to read internal page titles and descriptions.","modified":"2026-10-28T02:30:25.353352756Z","published":"2026-10-16T17:39:26.219Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111662.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-918"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111662.json"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111662"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/chaskiq-through-2.0.3-unauthenticated-ssrf-via-oembed-endpoint"},{"type":"PACKAGE","url":"https://github.com/chaskiq/chaskiq"},{"type":"ARTICLE","url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/oembed_controller.rb#L8-L11"},{"type":"ARTICLE","url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/services/fetch_link_card_service.rb#L11-L40"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/chaskiq/chaskiq","events":[{"introduced":"0"},{"last_affected":"2f487acfc9924c74db411ad2d0638140c1d379a1"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"0"},{"last_affected":"2.0.3"}]},{"range":[{"introduced":"0"},{"last_affected":"2.0.3"}],"source":"DESCRIPTION"}]}}],"versions":["2.0.3","2.0.2","2.0.1","2.0.0","1.1.2","1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111662.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N"}]}