{"id":"CVE-2026-110774","revision":"911cdda9016b4d2e9cace64547a7686e","records":[{"revision":"911cdda9016b4d2e9cace64547a7686e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110774","aliases":[],"title":"Blinko through 1.8.8 Private Attachment Read via /api/file Route","description":"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.","state":0,"publishedAt":"2026-10-14T18:48:03.347+00:00","modifiedAt":"2026-10-15T14:26:13.543+00:00","affected":[{"ecosystem":"https://github.com/blinkospace/blinko","name":"blinko","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"blinkospace\",\n                    \"product\": \"blinko\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.8.8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/blinkospace/blinko\",\n                    \"packageURL\": \"pkg:github/blinkospace/blinko\",\n                    \"repo\": \"https://github.com/blinkospace/blinko\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://hackmd.io/@hieuPenguinnn/blinko-attachment-accountid-idor","https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/server/routerExpress/file/file.ts#L148","https://github.com/blinkospace/blinko","https://www.vulncheck.com/advisories/blinko-through-1.8.8-private-attachment-read-via-api-file-route"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110774","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110774","identifiers":["CVE-2026-110774"]},"retained":false,"historicalAffected":[]}],"coverage":[]}