CVSS 7.3 · HIGH

CVE-2026-7319

A flaw has been found in elinsky execution-system-mcp 0.1.0. The impacted element is the function _get_context_file_path of the file src/execution_system_mcp/server.py of the component add_action Tool. This manipulation of the argument context causes path traversal. The attack can be initiated remotely. The exploit has been published and may be used.

View on NVD

Analysis

This vulnerability affects execution-system-mcp, a specific Model Context Protocol (MCP) server for LLMs with very low distribution. While it is a remote path traversal bug with a public exploit, the tool is a niche utility and not a standard part of the MexicoDev stack or general server infrastructure.

Severity

Score: 7.3(HIGH)

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

AV: NETWORK

AC: LOW

PR: NONE

UI: NONE

S: UNCHANGED

C: LOW

I: LOW

A: LOW

Weakness (CWE): CWE-22

EPSS

Probability of exploitation (next 30 days): 0.0010 (0.1%)

Percentile: 27.5%

EPSS: 2026-05-06

Technical description

Published: 4/28/2026, 10:16:52 PM

Last modified: 4/29/2026, 9:16:21 PM

References

How to read this card

Actively exploited

KEV (Known Exploited Vulnerabilities) is CISA's catalog of CVEs confirmed as actively exploited in the real world. If a CVE is on KEV, someone is already using it in attacks.

CVSS 10.0

CVSS 10.0 — máxima severidad teórica. Explotable de forma remota, sin privilegios, con impacto total. Aún no confirmada como explotada en el mundo real, pero parchea ya.

AI-recommended

Un modelo de lenguaje revisó el CVE y consideró que afecta a software ampliamente desplegado o herramientas comunes de desarrollo. Un humano del equipo aprobó la publicación antes de que llegara aquí.

Categorías de impacto que evalúa la IA

widely_deployed_infra — kernel Linux, OpenSSL, glibc, k8s, Docker, nginx, OpenSSH.

popular_dev_tooling — Node.js, Python, Go, React, Next.js, librerías comunes de npm/pip.

common_consumer_software — Chrome, Firefox, Windows, macOS, apps móviles populares.

enterprise_saas — GitHub, GitLab, Atlassian, Salesforce, Cisco, Fortinet, Ivanti.

niche_software — CMS regionales, herramientas de hobby, librerías de poco uso.

not_relevant — firmware específico de proveedor, software descontinuado.

EPSS — EPSS (Exploit Prediction Scoring System) by FIRST.org estimates the probability that a CVE will be exploited in the next 30 days. Range is 0 to 1; very fresh CVEs typically score low until evidence accumulates.