Path Traversal in Blinko
CVE-2026-23482
Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the file server endpoint does not perform permission checks on the temp/ path and does not filter path traversal sequences, allowing unauthorized attackers to read arbitrary files on the server. When scheduled backup tasks are enabled, attackers can read backup files to obtain all user notes and user TOKENS. This issue has been patched in version 1.8.4.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Blinko
- Blinkospace Blinko — versions < 1.8.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-23482?
- CVE-2026-23482 is a high-severity vulnerability in Blinko, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-03-23.
- How severe is CVE-2026-23482?
- High severity. CVSS v3 base score is 7.5 out of 10.