USN-8422-1 (UBUNTU-CVE-2026-41283)
Vulnerability from osv_ubuntu – Published: 2026-06-11 12:55 – Updated: 2026-06-30 15:55 – Source website
VLAI
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
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-41283",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"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_name": "mistral-event-engine",
"binary_version": "14.0.0-0ubuntu1.1"
},
{
"binary_name": "mistral-executor",
"binary_version": "14.0.0-0ubuntu1.1"
},
{
"binary_name": "python3-mistral",
"binary_version": "14.0.0-0ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral@14.0.0-0ubuntu1.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "14.0.0-0ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"13.0.0-0ubuntu1",
"13.0.0+git2021120910.b2d6de56-0ubuntu1",
"13.0.0+git2022030313.55bb2564-0ubuntu1",
"14.0.0-0ubuntu1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-41283",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"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_name": "mistral-event-engine",
"binary_version": "18.0.1-0ubuntu1.1"
},
{
"binary_name": "mistral-executor",
"binary_version": "18.0.1-0ubuntu1.1"
},
{
"binary_name": "python3-mistral",
"binary_version": "18.0.1-0ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral@18.0.1-0ubuntu1.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "18.0.1-0ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"17.0.0-0ubuntu1",
"18.0.0~rc1-0ubuntu1",
"18.0.1-0ubuntu1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-41283",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:25.10"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "mistral-api",
"binary_version": "21.0.0-0ubuntu1.1"
},
{
"binary_name": "mistral-common",
"binary_version": "21.0.0-0ubuntu1.1"
},
{
"binary_name": "mistral-engine",
"binary_version": "21.0.0-0ubuntu1.1"
},
{
"binary_name": "mistral-event-engine",
"binary_version": "21.0.0-0ubuntu1.1"
},
{
"binary_name": "mistral-executor",
"binary_version": "21.0.0-0ubuntu1.1"
},
{
"binary_name": "python3-mistral",
"binary_version": "21.0.0-0ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral@21.0.0-0ubuntu1.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "21.0.0-0ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"20.0.0-0ubuntu1",
"21.0.0~rc1-0ubuntu1",
"21.0.0-0ubuntu1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-41283",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
},
"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_name": "mistral-executor",
"binary_version": "22.0.0-0ubuntu1.1"
},
{
"binary_name": "python3-mistral",
"binary_version": "22.0.0-0ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral@22.0.0-0ubuntu1.1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "22.0.0-0ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"21.0.0-0ubuntu1",
"21.0.0+git20260106.10.420677c8-0ubuntu1",
"22.0.0-0ubuntu1"
]
}
],
"aliases": [],
"details": "Eduardo Gonzalez Gutierrez and Arnaud Morin discovered that Mistral\ndid not properly enforce access policies on some API endpoints. An\nattacker could possibly execute arbitrary code on a Mistral worker and\npossibly extract sensitive data including service credentials from it.",
"id": "USN-8422-1",
"modified": "2026-06-30T15:55:21Z",
"published": "2026-06-11T12:55:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8422-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-41283"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "mistral vulnerability",
"upstream": [
"UBUNTU-CVE-2026-41283"
]
}
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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