{"id":"CVE-2026-111662","title":"Chaskiq through 2.0.3 Unauthenticated SSRF via /oembed Endpoint","summary":"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, privat…","severity":"medium","cvss":5.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-918"],"vendor":"chaskiq","product":"chaskiq","affected":["chaskiq <= 2.0.3"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-16T19:13:22.190643Z"},"exploitAvailable":true,"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:13:57.537Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111662","references":[{"url":"https://hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload"},{"url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/oembed_controller.rb#L8-L11"},{"url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/services/fetch_link_card_service.rb#L11-L40"},{"url":"https://www.vulncheck.com/advisories/chaskiq-through-2.0.3-unauthenticated-ssrf-via-oembed-endpoint","label":"VulnCheck Advisory: Chaskiq through 2.0.3 Unauthenticated SSRF via /oembed Endpoint"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-16T18:43:08.671Z","slug":"CVE-2026-111662","body":"## Overview\n\nChaskiq 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.\n\n## Affected\n\n- `chaskiq <= 2.0.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":31.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":223345,"id":"CVE-2026-111662","ts":1792180120326,"field":"exploit_available","old":"false","new":"true"}]}