Authenticated Arbitrary File Write Vulnerability in Blinko by BlinkoSpace
CVE-2026-23481

5.3MEDIUM

Key Information:

Vendor

Blinkospace

Status
Blinko
Vendor
CVE Published:
23 March 2026

What is CVE-2026-23481?

Blinko, an AI-powered card note-taking application, has a vulnerability that allows authenticated users to perform arbitrary file writes through the saveAdditionalDevFile function. This can expose the system to potential data manipulation and security breaches. The issue was resolved in version 1.8.4, and users are encouraged to update to this version or later to mitigate the risk.

Affected Version(s)

blinko < 1.8.4

References

https://github.com/blinkospace/blinko/security/advisories...
x_refsource_CONFIRM
https://github.com/blinkospace/blinko/commit/02a4205f1ad2...
x_refsource_MISC
https://github.com/blinkospace/blinko/releases/tag/1.8.4
x_refsource_MISC

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.