> CVE-2026-44449 [CRITICAL]

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PUBLISHED
2026-05-26 21:16
MODIFIED
2026-05-26 21:16
CVSS_SCORE V3
9.1
EPSS (Prob. Exploit)
0.45%
Top 60.8%
DATA SOURCES:
NVD 🔗 2026-05-26 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01

> DESCRIPTION

Lumiverse is a full-featured AI chat application. Prior to 0.9.7, when the primary toSmbPath(fullPath) call throws, the method falls back to a dirname/basename split and only validates the directory prefix. The basename is concatenated directly into the smbclient -c script without validation. smbclient interprets ; as a subcommand separator and !cmd as a local-shell escape that runs cmd on the host. A path whose directory component is clean but whose basename contains "; !<cmd>; echo " achieves arbitrary command execution on the Lumiverse server. This vulnerability is fixed in 0.9.7.

> 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:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EXPLOITABILITY
2.3
IMPACT
6.0

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
High (H)
Authentifié avec privilèges administratifs
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Changed (C)
Impact s'étend au-delà 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
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-88

> CWE DETAILED DESCRIPTIONS

CWE-88: Improper Neutralization of Argument Delimiters in a Command - The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.

> HISTORIQUE DES MODIFICATIONS

Première apparition
26/05/2026 21:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') - The product constructs a string for a command to be executed by a separate component in another control sph...
Nouvelle valeur:
CWE-88: Improper Neutralization of Argument Delimiters in a Command - The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not pr...
📊 ENRICHISSEMENT 01/06/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') - The product constructs a string for a command to be executed by a separate component in another control sph...
Total des modifications: 2 Dernière mise à jour: 6 days ago

> REFERENCES

https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53
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