CriticalFix available
mistral — security advisory
OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.
- Products
- mistral
- Affected versions
- 1.0.0-1, 1.0.0-4, 10.0.0-0ubuntu0.20.04.1, 10.0.0~b1~git2019121815.bc46b29f-0ubuntu1, 10.0.0~b2~git2020020609.5b5576dd-0ubuntu1, 10.0.0~b3~git2020032611.8a5d35ac-0ubuntu1, 10.0.0~b3~git2020041013.a7da00d7-0ubuntu1, 13.0.0+git2021120910.b2d6de56-0ubuntu1, 13.0.0+git2022030313.55bb2564-0ubuntu1, 13.0.0-0ubuntu1, 14.0.0-0ubuntu1, 17.0.0-0ubuntu1, 18.0.0~rc1-0ubuntu1, 18.0.1-0ubuntu1, 2.0.0-1, 2.0.0-1ubuntu2, 2.0.0-1ubuntu2+esm1, 2.0.0~b3-3, 2.0.0~rc1-1, 2.0.0~rc2-1, 20.0.0-0ubuntu1, 21.0.0+git20260106.10.420677c8-0ubuntu1, 21.0.0-0ubuntu1, 21.0.0~rc1-0ubuntu1, 22.0.0+git20260814.61.b4aeb55-0ubuntu1, 22.0.0-0ubuntu1, 22.0.0-0ubuntu2, 23.0.0-0ubuntu1, 23.0.0~rc1-0ubuntu1, 5.0.0-0ubuntu1, 6.0.0-0ubuntu1, 6.0.0-0ubuntu1.1, 6.0.0-0ubuntu1.1+esm1, 6.0.0~b1-0ubuntu1, 6.0.0~b1-0ubuntu2, 6.0.0~b2-0ubuntu1, 6.0.0~rc1-0ubuntu1, 9.0.0-0ubuntu1
- Fixed versions
- 14.0.0-0ubuntu1.1, 18.0.1-0ubuntu1.1, 21.0.0-0ubuntu1.1, 22.0.0-0ubuntu1.1
- CVEs
- CVE-2026-41283
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:11 UTC · Revision 1
Source evidence
OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.
osv:UBUNTU-CVE-2026-41283
mistral
Fixed versions: Not specified
mistral
Fixed versions: Not specified
mistral
Fixed versions: Not specified
mistral
Fixed versions: 14.0.0-0ubuntu1.1
mistral
Fixed versions: 18.0.1-0ubuntu1.1
mistral
Fixed versions: 21.0.0-0ubuntu1.1
mistral
Fixed versions: Not specified
mistral
Fixed versions: 22.0.0-0ubuntu1.1
Complete source record
{
"id": "9595c3cdf4215a53bb2b24bc4a62e647d0d867e1e210c5063b54c2b0331b5971",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-41283",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-41283",
"summary": "OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.",
"evidence": "osv:UBUNTU-CVE-2026-41283",
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{
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
"value": "2.0.0~b3-3",
"evidence": "/affected/0/versions"
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{
"value": "2.0.0~rc1-1",
"evidence": "/affected/0/versions"
},
{
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{
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{
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{
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"evidence": "/affected/1/versions"
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{
"value": "6.0.0~b1-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0~b2-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0~rc1-0ubuntu1",
"evidence": "/affected/1/versions"
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{
"value": "6.0.0-0ubuntu1",
"evidence": "/affected/1/versions"
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{
"value": "6.0.0-0ubuntu1.1",
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{
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{
"name": {
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{
"value": "9.0.0-0ubuntu1",
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{
"value": "10.0.0~b1~git2019121815.bc46b29f-0ubuntu1",
"evidence": "/affected/2/versions"
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{
"value": "10.0.0~b2~git2020020609.5b5576dd-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0~b3~git2020032611.8a5d35ac-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0~b3~git2020041013.a7da00d7-0ubuntu1",
"evidence": "/affected/2/versions"
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{
"value": "10.0.0-0ubuntu0.20.04.1",
"evidence": "/affected/2/versions"
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},
{
"name": {
"value": "mistral",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "14.0.0-0ubuntu1.1",
"evidence": "/affected/3/ranges"
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],
"affected_versions": [
{
"value": "13.0.0-0ubuntu1",
"evidence": "/affected/3/versions"
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{
"value": "13.0.0+git2021120910.b2d6de56-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "13.0.0+git2022030313.55bb2564-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "14.0.0-0ubuntu1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "mistral",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "18.0.1-0ubuntu1.1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": [
{
"value": "17.0.0-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "18.0.0~rc1-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "18.0.1-0ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "mistral",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "21.0.0-0ubuntu1.1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": [
{
"value": "20.0.0-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "21.0.0~rc1-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "21.0.0-0ubuntu1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "mistral",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "22.0.0-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "22.0.0-0ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "22.0.0+git20260814.61.b4aeb55-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "23.0.0~rc1-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "23.0.0-0ubuntu1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "mistral",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "22.0.0-0ubuntu1.1",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": [
{
"value": "21.0.0-0ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "21.0.0+git20260106.10.420677c8-0ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "22.0.0-0ubuntu1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2026-41283",
"aliases": [
"UBUNTU-CVE-2026-41283"
],
"metrics": [
{
"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": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
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{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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],
"package": {
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.0.0-1",
"1.0.0-4",
"2.0.0~b3-3",
"2.0.0~rc1-1",
"2.0.0~rc2-1",
"2.0.0-1",
"2.0.0-1ubuntu2",
"2.0.0-1ubuntu2+esm1"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mistral-api",
"binary_version": "2.0.0-1ubuntu2+esm1"
},
{
"binary_name": "mistral-common",
"binary_version": "2.0.0-1ubuntu2+esm1"
},
{
"binary_name": "mistral-engine",
"binary_version": "2.0.0-1ubuntu2+esm1"
},
{
"binary_name": "mistral-executor",
"binary_version": "2.0.0-1ubuntu2+esm1"
},
{
"binary_name": "python-mistral",
"binary_version": "2.0.0-1ubuntu2+esm1"
}
]
}
},
{
"ranges": [
{
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}
],
"package": {
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"5.0.0-0ubuntu1",
"6.0.0~b1-0ubuntu1",
"6.0.0~b1-0ubuntu2",
"6.0.0~b2-0ubuntu1",
"6.0.0~rc1-0ubuntu1",
"6.0.0-0ubuntu1",
"6.0.0-0ubuntu1.1",
"6.0.0-0ubuntu1.1+esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41283.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mistral-api",
"binary_version": "6.0.0-0ubuntu1.1+esm1"
},
{
"binary_name": "mistral-common",
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{
"binary_name": "mistral-engine",
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{
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{
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{
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},
{
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],
"package": {
"name": "mistral",
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"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"9.0.0-0ubuntu1",
"10.0.0~b1~git2019121815.bc46b29f-0ubuntu1",
"10.0.0~b2~git2020020609.5b5576dd-0ubuntu1",
"10.0.0~b3~git2020032611.8a5d35ac-0ubuntu1",
"10.0.0~b3~git2020041013.a7da00d7-0ubuntu1",
"10.0.0-0ubuntu0.20.04.1"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mistral-api",
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},
{
"binary_name": "mistral-common",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
},
{
"binary_name": "mistral-engine",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
},
{
"binary_name": "mistral-event-engine",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
},
{
"binary_name": "mistral-executor",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
},
{
"binary_name": "python3-mistral",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
}
]
}
},
{
"ranges": [
{
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{
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},
{
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}
]
}
],
"package": {
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"13.0.0-0ubuntu1",
"13.0.0+git2021120910.b2d6de56-0ubuntu1",
"13.0.0+git2022030313.55bb2564-0ubuntu1",
"14.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41283.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mistral-api",
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},
{
"binary_name": "mistral-common",
"binary_version": "14.0.0-0ubuntu1.1"
},
{
"binary_name": "mistral-engine",
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},
{
"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"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "18.0.1-0ubuntu1.1"
}
]
}
],
"package": {
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"17.0.0-0ubuntu1",
"18.0.0~rc1-0ubuntu1",
"18.0.1-0ubuntu1"
],
"database_specific": {
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},
"ecosystem_specific": {
"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"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "21.0.0-0ubuntu1.1"
}
]
}
],
"package": {
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"20.0.0-0ubuntu1",
"21.0.0~rc1-0ubuntu1",
"21.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41283.json"
},
"ecosystem_specific": {
"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",
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},
{
"binary_name": "python3-mistral",
"binary_version": "21.0.0-0ubuntu1.1"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mistral",
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"ecosystem": "Ubuntu:26.10"
},
"versions": [
"22.0.0-0ubuntu1",
"22.0.0-0ubuntu2",
"22.0.0+git20260814.61.b4aeb55-0ubuntu1",
"23.0.0~rc1-0ubuntu1",
"23.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41283.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mistral-api",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "mistral-common",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "mistral-engine",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "mistral-event-engine",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "mistral-executor",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "python3-mistral",
"binary_version": "23.0.0-0ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
},
{
"fixed": "22.0.0-0ubuntu1.1"
}
]
}
],
"package": {
"name": "mistral",
"purl": "pkg:deb/ubuntu/mistral?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"21.0.0-0ubuntu1",
"21.0.0+git20260106.10.420677c8-0ubuntu1",
"22.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41283.json"
},
"ecosystem_specific": {
"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"
}
],
"availability": "No subscription required"
}
}
],
"modified": "2026-10-17T12:58:14.932731177Z",
"provider": "osv",
"upstream": [
"CVE-2026-41283"
],
"references": [
"https://ubuntu.com/security/CVE-2026-41283",
"https://www.cve.org/CVERecord?id=CVE-2026-41283",
"https://www.openwall.com/lists/oss-security/2026/06/03/14",
"https://launchpad.net/bugs/2147178",
"https://ubuntu.com/security/notices/USN-8422-1"
]
},
"related_cves": [
{
"value": "CVE-2026-41283",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 358434,
"published_at": "2026-06-04T04:17:00+00:00"
}