{"id":"CVE-2026-110774","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110774","generatedAt":"2026-10-28T00:59:34.962Z","title":"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.","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.","published":"2026-10-14T19:17:14.000Z","lastModified":"2026-10-15T15:17:29.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00237,"percentile":0.14646,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00237,"percentile":0.13722}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T19:17:14.000Z","detail":{"score":"6.0","severity":"MEDIUM","publishedAt":"2026-10-14T19:17:13.650Z"},"summary":"New CVE, medium severity (CVSS 6.0)."}],"references":[{"url":"https://github.com/blinkospace/blinko","source":"disclosure@vulncheck.com"},{"url":"https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/server/routerExpress/file/file.ts#L148","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@hieuPenguinnn/blinko-attachment-accountid-idor","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/blinko-through-1.8.8-private-attachment-read-via-api-file-route","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110774","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}