CVE-2026-110774
CVE-2026-110774 · Blinko through 1.8.8 Private Attachment Read via /api/file Route
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.0 · Medium · EPSS 0.2%
- Published
- Updated
Affected products and versions
blinko
- Versions
- ≥ 0, ≤ 1.8.8: Affected (semver)
No fix published
Original sources
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2026-110774