blinkospace blinko up to 1.8.3 Plugin File Server Endpoint join path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in blinkospace blinko up to 1.8.3. It has been rated as critical. This impacts the function join of the component Plugin File Server Endpoint. The manipulation leads to path traversal. This vulnerability is referenced as CVE-2026-23483. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in blinkospace blinko up to 1.8.3 and classified as critical. This issue affects the function join of the component Plugin File Server Endpoint. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-23483 since 01/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Applying a patch is able to eliminate this problem.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/13/2026 CVE reserved
03/24/2026 +70 days Advisory disclosed
03/24/2026 +0 days VulDB entry created
03/28/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-54c7-9gxh-fg9v
Status: Confirmed

CVE: CVE-2026-23483 (🔒)
GCVE (CVE): GCVE-0-2026-23483
GCVE (VulDB): GCVE-100-352625

Entryinfo

Created: 03/24/2026 02:45
Updated: 03/28/2026 04:53
Changes: 03/24/2026 02:45 (68), 03/28/2026 04:53 (11)
Complete: 🔍
Cache ID: 216:DFF:103

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