usn-8422-1
Vulnerability from osv_ubuntu
Published
2026-06-11 12:55
Modified
2026-06-30 15:55
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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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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