What is CVE-2026-23481?

CVE-2026-23481 is a medium-severity vulnerability in Blinko, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-03-23.

How severe is CVE-2026-23481?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Blinko

CVE-2026-23481

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Blinko
Blinkospace Blinko — versions < 1.8.4

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/blinkospace/blinko/security/advisories/GHSA-38hg-8p2j-76g5 (Vendor Advisory)
github.com/blinkospace/blinko/commit/02a4205f1ad22d0e78dc2ab2967b551d0dbd0a06 (Patch)
github.com/blinkospace/blinko/releases/tag/1.8.4 (Release Notes)

Frequently asked questions

What is CVE-2026-23481?: CVE-2026-23481 is a medium-severity vulnerability in Blinko, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-03-23.
How severe is CVE-2026-23481?: Medium severity. CVSS v3 base score is 6.5 out of 10.