CVE-2026-23481 PUBLISHED

Blinko: Authenticated Arbitrary File Write - saveAdditionalDevFile

Assigner: GitHub_M
Reserved: 13.01.2026 Published: 23.03.2026 Updated: 23.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	blinkospace
Product	blinko
Versions	Version < 1.8.4 is affected

References

https://github.com/blinkospace/blinko/security/advisories/GHSA-38hg-8p2j-76g5
https://github.com/blinkospace/blinko/commit/02a4205f1ad22d0e78dc2ab2967b551d0dbd0a06
https://github.com/blinkospace/blinko/releases/tag/1.8.4

Problem Types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE