bazylhorsey obsidian-mcp-server 1.0.0 CanvasService.ts readCanvas/writeCanvas path traversal

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k2.23

Summaryinfo

A vulnerability identified as critical has been detected in bazylhorsey obsidian-mcp-server 1.0.0. This impacts the function readCanvas/writeCanvas of the file src/services/CanvasService.ts. Performing a manipulation results in path traversal. This vulnerability is known as CVE-2026-19331. Attacking locally is a requirement. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, was found in bazylhorsey obsidian-mcp-server 1.0.0. This affects the function readCanvas/writeCanvas of the file src/services/CanvasService.ts. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-19331. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/08/2026 Advisory disclosed
08/08/2026 +0 days VulDB entry created
08/08/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-19331 (🔒)
GCVE (CVE): GCVE-0-2026-19331
GCVE (VulDB): GCVE-100-387165
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/08/2026 11:35
Changes: 08/08/2026 11:35 (56)
Complete: 🔍
Submitter: gongyanyu04
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #865254: bazylhorsey obsidian-mcp-server unknown Path Traversal (by gongyanyu04)

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