CVE-2026-110774: Authorization Bypass Through User-Controlled Key in blinkospace blinko
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.
CVSS v4.0
Score 6.0medium
Affected software
blinkospace
blinko
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-14T17:27:37.426Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acfd2312cdf04f656a33db7
Added to database: 10/14/2026, 19:04:17 UTC
Last updated: 10/14/2026, 19:04:17 UTC
Views: 1
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.