CVE-2026-23484
MEDIUMblinko <= 1.8.3 - Authenticated Path Traversal and Arbitrary File Write via fileName Parameter
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://github.com/blinkospace/blinko/security/advisories/GHSA-7v3f-v6vf-jm9q
Scores
CVSS v3
6.5
EPSS
0.0034
EPSS Percentile
25.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (2)
blinko/blinko
< 1.8.3
blinkospace/blinko
<= 1.8.3
Published
Mar 23, 2026
Tracked Since
Mar 24, 2026