VDB-352601 · CVE-2026-23481 · GHSA-38hg-8p2j-76g5

blinkospace blinko up to 1.8.3 path traversal

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5.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in blinkospace blinko up to 1.8.3. The impacted element is an unknown function. The manipulation leads to path traversal. This vulnerability is documented as CVE-2026-23481. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in blinkospace blinko up to 1.8.3. It has been rated as critical. This issue affects an unknown code. 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 integrity, and availability. The summary by CVE is:

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is an authenticated arbitrary file write vulnerability in saveAdditionalDevFile. This issue has been patched in version 1.8.4.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-23481 since 01/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 1.8.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 02a4205f1ad22d0e78dc2ab2967b551d0dbd0a06 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

blinkospace

Name

blinko

Version

License

open-source

Website

Product: https://github.com/blinkospace/blinko/

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: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: blinko 1.8.4
Patch: 02a4205f1ad22d0e78dc2ab2967b551d0dbd0a06

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-38hg-8p2j-76g5
Status: Confirmed

CVE: CVE-2026-23481 (🔒)
GCVE (CVE): GCVE-0-2026-23481
GCVE (VulDB): GCVE-100-352601

Entryinfo

Created: 03/24/2026 02:34
Updated: 03/28/2026 04:53
Changes: 03/24/2026 02:34 (70), 03/28/2026 04:53 (12)
Complete: 🔍
Cache ID: 216:D45:103