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CVE-2026-41283: CWE-863 Incorrect Authorization in OpenStack Mistral

0
Critical
VulnerabilityCVE-2026-41283cvecve-2026-41283cwe-863
Published: Thu Jun 04 2026 (06/04/2026, 00:00:00 UTC)
Source: CVE Database V5
Vendor/Project: OpenStack
Product: Mistral

Description

OpenStack Mistral versions up to 22. 0. 0 contain an incorrect authorization vulnerability (CWE-863) that allows arbitrary remote code execution when the API is exposed. This vulnerability enables attackers to execute code on the affected system and potentially exfiltrate service credentials. The issue affects versions 20. 0. 0, 21. 0. 0, and 22. 0.

CVSS v3.1

Score 9.9critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/04/2026, 04:03:35 UTC

Technical Analysis

CVE-2026-41283 is an incorrect authorization vulnerability in OpenStack Mistral through version 22.0.0. The vulnerability arises from exposed API endpoints that permit arbitrary remote code execution, which can lead to the exfiltration of service credentials. This vulnerability is classified under CWE-863 and has a CVSS v3.1 base score of 9.9, indicating critical impact with network attack vector, low attack complexity, and no user interaction required. The affected versions are 20.0.0, 21.0.0, and 22.0.0. As of the published date, no official patch or remediation level has been disclosed by the vendor.

Potential Impact

Successful exploitation of this vulnerability allows an attacker with network access and low privileges to execute arbitrary code remotely on the OpenStack Mistral service. This can lead to full compromise of the affected system, including the exfiltration of sensitive service credentials. The impact includes complete confidentiality, integrity, and availability loss of the affected system.

Mitigation Recommendations

Patch status is not yet confirmed — check the OpenStack vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the Mistral API to trusted users only and consider disabling or limiting exposure of the API endpoints to reduce risk.

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Technical Details

Data Version
5.2
Assigner Short Name
mitre
Date Reserved
2026-04-20T00:00:00.000Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a20f595e29bf47b505f23ca

Added to database: 6/4/2026, 3:48:37 AM

Last enriched: 6/4/2026, 4:03:35 AM

Last updated: 6/4/2026, 4:49:24 AM

Views: 4

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