Path Traversal in Blinko
CVE-2026-23484
Blinko is an AI-powered card note-taking project. In versions from 1.8.3 and prior, the fileName parameter is not filtered, allowing path traversal to write files anywhere on the file system. Moreover, this interface only requires authProcedure (normal user), not superAdminAuthMiddleware. At time of publication, there are no publicly available patches.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (26.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Blinko
- Blinkospace Blinko — versions <= 1.8.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-23484?
- CVE-2026-23484 is a medium-severity vulnerability in Blinko, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-03-23.
- How severe is CVE-2026-23484?
- Medium severity. CVSS v3 base score is 6.5 out of 10.