blinkospace blinko up to 1.8.3 File Existence filePath 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 classified as critical was found in blinkospace blinko up to 1.8.3. Affected is an unknown function of the component File Existence Handler. Such manipulation of the argument filePath leads to path traversal. This vulnerability is traded as CVE-2026-23485. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in blinkospace blinko up to 1.8.3. Affected by this issue is an unknown function of the component File Existence Handler. The manipulation of the argument filePath 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. CVE summarizes:

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the filePath parameter accepts path traversal sequences, allowing enumeration of file existence on the server via different error responses. This issue has been patched in version 1.8.4.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-23485 since 01/13/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 1.8.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 9d6fa80a3e11a99886f90e048657443335fd3e7d 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

Name

Version

License

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: blinko 1.8.4
Patch: 9d6fa80a3e11a99886f90e048657443335fd3e7d

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-5x64-pmfq-pw7q
Status: Confirmed

CVE: CVE-2026-23485 (🔒)
GCVE (CVE): GCVE-0-2026-23485
GCVE (VulDB): GCVE-100-352604

Entryinfo

Created: 03/24/2026 02:35
Updated: 03/28/2026 04:53
Changes: 03/24/2026 02:35 (72), 03/28/2026 04:53 (11)
Complete: 🔍
Cache ID: 216:6B0:103

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