CVE-2026-7212

High

Published: 28 April 2026

Published

28 April 2026

Modified

29 April 2026

KEV Added

—

Patch

—

CVSS Score 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS Score 0.0006 18.7th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-7212 is a high-severity Path Traversal (CWE-22) vulnerability. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 18.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

This vulnerability is AI-related — categorised as AI Agent Protocols and Integrations; in the Protocol-Specific Risks risk domain.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Directly requires validation and sanitization of the root_dir/path argument in notes_mcp.py to block path traversal sequences like ../.

SI-2 Flaw Remediation good match

prevent

Mandates identification, reporting, and timely patching of the path traversal flaw in edvardlindelof notes-mcp up to 0.1.4.

AC-6 Least Privilege partial match

prevent

Limits impact of successful path traversal by restricting the application's privileges to only necessary file system access.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1005 Data from Local System Collection

Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.

attack.mitre.org →

Why these techniques?

Path traversal in a remotely accessible application directly enables T1190 (exploiting public-facing apps without auth) and facilitates T1005 (unauthorized access to files on the local system outside intended directories).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

A security vulnerability has been detected in edvardlindelof notes-mcp up to 0.1.4. This affects an unknown function of the file notes_mcp.py. The manipulation of the argument root_dir/path leads to path traversal. The attack is possible to be carried out remotely.…

The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Deeper analysisAI

CVE-2026-7212 is a path traversal vulnerability (CWE-22) affecting edvardlindelof notes-mcp versions up to 0.1.4. The flaw exists in an unknown function within the notes_mcp.py file, where manipulation of the root_dir/path argument enables path traversal attacks.

Remote attackers can exploit this vulnerability over the network without requiring privileges or user interaction, as reflected in its CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L). Successful exploitation allows limited impacts on confidentiality, integrity, and availability, such as accessing or modifying files outside the intended directory.

The project was informed of the issue early via GitHub issue #2 but has not responded. No patches or official mitigations are mentioned in available advisories. The exploit has been publicly disclosed and may be used, with details referenced in the GitHub repository at https://github.com/edvardlindelof/notes-mcp/ and VulDB entries including https://vuldb.com/vuln/359808.