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PUBLISHED

2026-05-11 23:20

MODIFIED

2026-05-11 23:20

CVSS_SCORE V3

6.8

EPSS (Prob. Exploit)

0.35%

Top 72.0%

DATA SOURCES:

NVD 🔗 2026-05-12 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-10-29 OSV 🔗 2026-11-02

> DESCRIPTION

Wireshark MCP is an MCP Server that turns tshark into a structured analysis interface, then layers in optional Wireshark suite utilities. In 1.1.5 and earlier, wireshark-mcp exposes a wireshark_export_objects MCP tool that accepts an attacker-controlled dest_dir parameter and passes it to tshark's --export-objects flag with no mandatory path restriction. The path sandbox (_allowed_dirs) is None by default and only activates when the environment variable WIRESHARK_MCP_ALLOWED_DIRS is explicitly set. In a default installation, any directory on the filesystem can be used as the export destination.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

EXPLOITABILITY

1.6

IMPACT

5.2

> MÉTRIQUES CVSS DÉTAILLÉES

                CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
            

Métrique	Valeur	Interprétation
AV (Vecteur d'Attaque) Attack Vector	Network (N)	Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque) Attack Complexity	High (H)	Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis) Privileges Required	None (N)	Aucune authentification requise
UI (Interaction Utilisateur) User Interaction	Required (R)	Nécessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre) Scope	Unchanged (U)	Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité) Confidentiality Impact	High (H)	Divulgation totale d'informations
I (Impact Intégrité) Integrity Impact	High (H)	Modification totale des données possible
A (Impact Disponibilité) Availability Impact	None (N)	Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité

High

Divulgation totale d'informations

Intégrité

High

Modification totale des données possible

Disponibilité

None

Aucune interruption de service

> WEAKNESSES

CWE-22

> CWE DETAILED DESCRIPTIONS

CWE-22: Improper Limitation of a Pathname to a Restricted Directory - 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.

> GITHUB SECURITY ADVISORY

GHSA-3r68-x3xc-rxpg MODERATE

wireshark-mcp vulnerable to arbitrary file write via export_objects when WIRESHARK_MCP_ALLOWED_DIRS is not configured

AFFECTED PACKAGES:

PIP / wireshark-mcp

<= 1.1.5

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Wireshark MCP: Arbitrary file write via export_objects when WIRESHARK_MCP_ALLOWED_DIRS is not configured

AFFECTED PACKAGES:

Unknown / Unknown

13 versions affected

ALIASES:

GHSA-3r68-x3xc-rxpg, PYSEC-2026-3426

> HISTORIQUE DES MODIFICATIONS

Première apparition

11/05/2026 23:20

Source: NVD

📊 ENRICHISSEMENT 01/11/2026 06:59

CWE

Champ modifié: Description CWE

Ancienne valeur:

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') - The product uses external input to construct a pathname that is intended to identify a file or directory that i...

Nouvelle valeur:

📊 ENRICHISSEMENT 01/06/2026 06:01

CWE