> CVE-2026-41523 [HIGH]

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PUBLISHED
2026-06-22 23:16
MODIFIED
2026-06-22 23:16
CVSS_SCORE V3
7.5
EPSS (Prob. Exploit)
0.91%
Top 40.2%
DATA SOURCES:
NVD 🔗 2026-06-23 RED HAT 🔗 2026-06-28 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.22.0, an assert-based security check in vLLM's activation function loading allows any unauthenticated attacker to achieve arbitrary code execution on the server by publishing a malicious HuggingFace model, when vLLM runs in Python optimized mode (python -O or PYTHONOPTIMIZE=1). This vulnerability is fixed in 0.22.0.

> 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:H
EXPLOITABILITY
1.6
IMPACT
5.9

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/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
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
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-94 CWE-617

> CWE DETAILED DESCRIPTIONS

CWE-94: Improper Control of Generation of Code - The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. | CWE-617: Reachable Assertion - The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: Red Hat AI Inference Server 3.2.2 (ROCm)
Red Hat AI Inference Server 3.2.2 (ROCm) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.2.2 (CUDA)
Red Hat AI Inference Server 3.2.2 (CUDA) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.4 (rocm)
Red Hat AI Inference 3.4.4 (rocm) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.4 (cuda)
Red Hat AI Inference 3.4.4 (cuda) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.4 (spyre)
Red Hat AI Inference 3.4.4 (spyre) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.4 (cpu)
Red Hat AI Inference 3.4.4 (cpu) is now available.
Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.4.4 enhancement update
Updated Red Hat Enterprise Linux AI 3.4.4 container images are now available.
Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.4.4 enhancement update
Updated Red Hat Enterprise Linux AI 3.4.4 container disk images are now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.3.6 (ROCm)
Red Hat AI Inference Server 3.3.6 (ROCm) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.3.6 (CUDA)
Red Hat AI Inference Server 3.3.6 (CUDA) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.2.2 (ROCm)
Red Hat AI Inference Server 3.2.2 (ROCm) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.2.2 (CUDA)
Red Hat AI Inference Server 3.2.2 (CUDA) is now available.
Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.3.6 enhancement update
Updated Red Hat Enterprise Linux AI 3.3.6 container images are now available.
Red Hat Security Advisory: Red Hat Enterprise Linux AI 3.3.6 enhancement update
Updated Red Hat Enterprise Linux AI 3.3.6 container disk images are now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (rocm)
Red Hat AI Inference 3.4.5 (rocm) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (cuda)
Red Hat AI Inference 3.4.5 (cuda) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (cpu)
Red Hat AI Inference 3.4.5 (cpu) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (spyre)
Red Hat AI Inference 3.4.5 (spyre) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (rocm)
Red Hat AI Inference 3.4.5 (rocm) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (cuda)
Red Hat AI Inference 3.4.5 (cuda) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (spyre)
Red Hat AI Inference 3.4.5 (spyre) is now available.
Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (cpu)
Red Hat AI Inference 3.4.5 (cpu) is now available.
Red Hat Security Advisory: Red Hat AI Inference Tech Preview 3.5.2 (Gaudi)
Red Hat AI Inference Tech Preview 3.5.2 (Gaudi) is now available.

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> HISTORIQUE DES MODIFICATIONS

Première apparition
22/06/2026 23:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-94: Improper Control of Generation of Code ('Code Injection') - The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not n...
Nouvelle valeur:
CWE-94: Improper Control of Generation of Code - The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorr...
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-94: Improper Control of Generation of Code ('Code Injection') - The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not n...
📊 ENRICHISSEMENT 28/06/2026 05:02
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 28/06/2026 05:02
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 4 Dernière mise à jour: 5 days ago

> REFERENCES

https://github.com/vllm-project/vllm/commit/b3c7ffcab82c2439726f8cb213800f6f38c0...
https://github.com/vllm-project/vllm/security/advisories/GHSA-q8gq-377p-jq3r
https://huntr.com/bounties/dcb05b04-e625-41e7-adbc-bbae0cc2d64c
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