CVE-2026-110774
Blinko through 1.8.8 Private Attachment Read via /api/file Route
MEDIUM 6.0EPSS 0.2%
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.
- Affected
- blinkospace · blinko
- CVSS v4.0 VULNCHECK
- 6.0 MEDIUM
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULNCHECK
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.24% chance of exploitation in the next 30 days, 14th percentile
- Published
- 2026-10-14
- Updated
- 2026-10-15