USN-8422-1

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Source
https://ubuntu.com/security/notices/USN-8422-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-8422-1
Upstream
Related
Published
2026-06-11T12:55:21Z
Modified
2026-06-12T09:19:14.842156684Z
Summary
mistral vulnerability
Details

Eduardo Gonzalez Gutierrez and Arnaud Morin discovered that Mistral did not properly enforce access policies on some API endpoints. An attacker could possibly execute arbitrary code on a Mistral worker and possibly extract sensitive data including service credentials from it.

References

Affected packages

Ubuntu:22.04:LTS / mistral

Package

Name
mistral
Purl
pkg:deb/ubuntu/mistral?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
14.0.0-0ubuntu1.1

Affected versions

13.*
13.0.0-0ubuntu1
13.0.0+git2021120910.b2d6de56-0ubuntu1
13.0.0+git2022030313.55bb2564-0ubuntu1
14.*
14.0.0-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "mistral-api",
            "binary_version": "14.0.0-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-common",
            "binary_version": "14.0.0-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-engine",
            "binary_version": "14.0.0-0ubuntu1.1"
        },
        {
            "binary_version": "14.0.0-0ubuntu1.1",
            "binary_name": "mistral-event-engine"
        },
        {
            "binary_version": "14.0.0-0ubuntu1.1",
            "binary_name": "mistral-executor"
        },
        {
            "binary_name": "python3-mistral",
            "binary_version": "14.0.0-0ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-41283"
        }
    ]
}

Ubuntu:24.04:LTS / mistral

Package

Name
mistral
Purl
pkg:deb/ubuntu/mistral?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
18.0.1-0ubuntu1.1

Affected versions

17.*
17.0.0-0ubuntu1
18.*
18.0.0~rc1-0ubuntu1
18.0.1-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "mistral-api",
            "binary_version": "18.0.1-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-common",
            "binary_version": "18.0.1-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-engine",
            "binary_version": "18.0.1-0ubuntu1.1"
        },
        {
            "binary_version": "18.0.1-0ubuntu1.1",
            "binary_name": "mistral-event-engine"
        },
        {
            "binary_name": "mistral-executor",
            "binary_version": "18.0.1-0ubuntu1.1"
        },
        {
            "binary_version": "18.0.1-0ubuntu1.1",
            "binary_name": "python3-mistral"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-41283"
        }
    ]
}

Ubuntu:25.10 / mistral

Package

Name
mistral
Purl
pkg:deb/ubuntu/mistral?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
21.0.0-0ubuntu1.1

Affected versions

20.*
20.0.0-0ubuntu1
21.*
21.0.0~rc1-0ubuntu1
21.0.0-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "21.0.0-0ubuntu1.1",
            "binary_name": "mistral-api"
        },
        {
            "binary_name": "mistral-common",
            "binary_version": "21.0.0-0ubuntu1.1"
        },
        {
            "binary_version": "21.0.0-0ubuntu1.1",
            "binary_name": "mistral-engine"
        },
        {
            "binary_name": "mistral-event-engine",
            "binary_version": "21.0.0-0ubuntu1.1"
        },
        {
            "binary_version": "21.0.0-0ubuntu1.1",
            "binary_name": "mistral-executor"
        },
        {
            "binary_name": "python3-mistral",
            "binary_version": "21.0.0-0ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-41283"
        }
    ]
}

Ubuntu:26.04:LTS / mistral

Package

Name
mistral
Purl
pkg:deb/ubuntu/mistral?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
22.0.0-0ubuntu1.1

Affected versions

21.*
21.0.0-0ubuntu1
21.0.0+git20260106.10.420677c8-0ubuntu1
22.*
22.0.0-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "mistral-api",
            "binary_version": "22.0.0-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-common",
            "binary_version": "22.0.0-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-engine",
            "binary_version": "22.0.0-0ubuntu1.1"
        },
        {
            "binary_name": "mistral-event-engine",
            "binary_version": "22.0.0-0ubuntu1.1"
        },
        {
            "binary_version": "22.0.0-0ubuntu1.1",
            "binary_name": "mistral-executor"
        },
        {
            "binary_name": "python3-mistral",
            "binary_version": "22.0.0-0ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-41283"
        }
    ]
}