Blinko: Authenticated Arbitrary File Write - saveAdditionalDevFile
Priority LOW 24CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is an authenticated arbitrary file write vulnerability in saveAdditionalDevFile. This issue has been patched in version 1.8.4.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00389 33rd percentileScored 2026-11-07
Fix Fixed blinko (blinkospace): 1.8.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| blinkospace | blinko | before 1.8.4 | 1.8.4 | Patch available | CNA |
- blinko Vendorblinkospace Affected before 1.8.4 Fixed in 1.8.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blinko:blinko:*:*:*:*:*:*:*:* | before 1.8.4 | Vulnerable | blinkospace |
- cpe:2.3:a:blinko:blinko:*:*:*:*:*:*:*:* Versions before 1.8.4 Vulnerable ·blinkospace
Remediation
- Fix · CNA blinko (blinkospace) Fixed in 1.8.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-23481
References
More blinkospace Blinko vulnerabilities
- TI-2026-19240 Blinko: Admin RCE - MCP Server Command Injection CVSS 4.0HIGH 8.6
- TI-2026-18915 Blinko: Unauthorized Arbitrary File Read - /api/file/temp CVSS 4.0HIGH 8.2
- TI-2026-18919 Blinko: Unauthorized User Information Leak CVSS 4.0MEDIUM 6.9
- TI-2026-18916 Blinko: Unauthorized Arbitrary File Read - /plugins CVSS 4.0MEDIUM 6.9
- TI-2026-18921 Blinko: multiple interfaces in the comment feature allow unauthorized access CVSS 4.0MEDIUM 6.9
- TI-2026-18918 Blinko: Unauthorized Path Traversal File Enumeration - music-metadata CVSS 4.0MEDIUM 6.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences