MEDIUM 6.0 NVD
CVE-2026-110774
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 attachme
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.
References
- https://github.com/blinkospace/blinko
- https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/server
- https://hackmd.io/@hieuPenguinnn/blinko-attachment-accountid-idor
- https://www.vulncheck.com/advisories/blinko-through-1.8.8-private-attachment-read-via-api-
This medium severity vulnerability with a CVSS score of 6.0 was published on 2026-10-14 via NVD.
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