CVE-2026-23483 Blinko: Unauthorized Arbitrary File Read - /plugins

Medium 6.9 Published Updated

Attackers can read arbitrary files via path traversal in the plugin file server endpoint of the Blinko note-taking application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-23483?

CVE-2026-23483 is a medium-severity path traversal vulnerability in blinkospace blinko, published on 23 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Blinko is an AI-powered card note-taking project. In versions from 1.8.3 and prior, the plugin file server endpoint uses join() to concatenate paths but does not verify if the final path is within the plugins directory, leading to path traversal. At time of publication, there are no publicly available patches.

Weakness: CWE-22

Which versions are affected by CVE-2026-23483?

It affects 1 product.

Products include Blinko Blinko.

How do I fix CVE-2026-23483?

No fix has been published for CVE-2026-23483 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-23483 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-23483 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-54c7-9gxh-fg9v.

Is CVE-2026-23483 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free