{"schema":"threatline.record/2","record":{"id":"CVE-2026-110774","aliases":[],"summary":"Blinko through 1.8.8 Private Attachment Read via /api/file Route","details":"Blinko through 1.8.8 contains a broken access control vulnerability in the /api/file route that allows authenticated users to read other users' private attachments due to a flawed owner check. Attackers can supply another user's stored filename, following a basename plus millisecond-timestamp pattern, to download private, non-shared attachments.","categories":["Unclassified"],"product":"blinko","vendor":"blinkospace","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110774","source_modified_at":"2026-10-15T14:26:13.543Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"blinko","vendor":"blinkospace","versions":[{"version":"0","lessThanOrEqual":"1.8.8","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00237,"percentile":0.13967,"score_date":"2026-10-23"},"published_at":"2026-10-14T18:48:03.347Z","modified_at":"2026-10-15T14:26:13.543Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110774","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T14:26:13.543Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110774","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@hieuPenguinnn/blinko-attachment-accountid-idor","tags":["technical-description","exploit"]},{"source":"CVE List","url":"https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/server/routerExpress/file/file.ts#L148","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/blinkospace/blinko","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/blinko-through-1.8.8-private-attachment-read-via-api-file-route","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":"no","technical_impact":"partial","assessed_at":"2026-10-15T14:25:48.334970Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-15T14:26:13.543Z","content_hash":"59d34b4927206b6daa3f7ba762727d08747ec6d9088eebf6b49f9e3cc881bbc1"}}