PT-2026-27204 · Blinko · Blinko

Tx1Ee · Published 2026-03-23 · Updated 2026-03-23 · CVE-2026-23481

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Blinko versions prior to 1.8.4

Description Blinko is an AI-powered card note-taking project. A flaw exists in the saveAdditionalDevFile function that allows for authenticated arbitrary file writing. This means a user with valid credentials could potentially write files to the system.

Recommendations Update to version 1.8.4 or later.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-23481

GHSA-38HG-8P2J-76G5

Affected Products

Blinko

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23481.json · Exploit
• https://github.com/blinkospace/blinko/security/advisories/GHSA-38hg-8p2j-76g5 · Vendor Advisory
• https://github.com/blinkospace/blinko/commit/02a4205f1ad22d0e78dc2ab2967b551d0dbd0a06 · Patch
• https://osv.dev/vulnerability/CVE-2026-23481 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23481 · Security Note
• https://github.com/blinkospace/blinko/releases/tag/1.8.4 · Note