Medium
zaqar — security advisory
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
- Products
- zaqar
- Affected versions
- 1.0.0-2, 1.0.0-6, 10.0.0-0ubuntu0.20.04.1, 10.0.0~b1~git2019121815.55c73e22-0ubuntu1, 10.0.0~b2~git2020021011.22c457a5-0ubuntu1, 10.0.0~b3~git2020032614.22c457a5-0ubuntu1, 10.0.0~b3~git2020041014.22c457a5-0ubuntu1, 13.0.0+git2021120910.a7593240-0ubuntu1, 13.0.0+git2022011310.1726ac41-0ubuntu1, 13.0.0-0ubuntu1, 14.0.0-0ubuntu1, 17.0.0+git2024020808.2c859275-0ubuntu1, 17.0.0-0ubuntu1, 18.0.0-0ubuntu1, 18.0.0~rc1-0ubuntu1, 2.0.0-1, 21.0.0+git20260121.32.59a7a63d-0ubuntu1, 21.0.0-0ubuntu1, 22.0.0+git20260723.62.36e0796-0ubuntu1, 22.0.0-0ubuntu1, 22.0.0~rc1-0ubuntu2, 23.0.0-0ubuntu1, 23.0.0~rc1-0ubuntu1, 5.0.0-0ubuntu1, 6.0.0-0ubuntu1, 6.0.0~b1-0ubuntu1, 6.0.0~b2-0ubuntu2, 6.0.0~b3-0ubuntu1, 6.0.0~rc1-0ubuntu1, 9.0.0-0ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-66139
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:13 UTC · Revision 1
Source evidence
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
osv:UBUNTU-CVE-2026-66139
zaqar
Fixed versions: Not specified
zaqar
Fixed versions: Not specified
zaqar
Fixed versions: Not specified
zaqar
Fixed versions: Not specified
zaqar
Fixed versions: Not specified
zaqar
Fixed versions: Not specified
zaqar
Fixed versions: Not specified
Complete source record
{
"id": "adfb2a032e7fc4f9168a683478c10057e819d3da70e84cf988c5d1e69a69e68c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-66139",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-66139",
"summary": "OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.",
"evidence": "osv:UBUNTU-CVE-2026-66139",
"products": [
{
"name": {
"value": "zaqar",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.0.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.0-6",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.0-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "zaqar",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.0.0-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0~b1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0~b2-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0~b3-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0~rc1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "6.0.0-0ubuntu1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "zaqar",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "9.0.0-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0~b1~git2019121815.55c73e22-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0~b2~git2020021011.22c457a5-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0~b3~git2020032614.22c457a5-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0~b3~git2020041014.22c457a5-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "10.0.0-0ubuntu0.20.04.1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "zaqar",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "13.0.0-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "13.0.0+git2021120910.a7593240-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "13.0.0+git2022011310.1726ac41-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "14.0.0-0ubuntu1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "zaqar",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "17.0.0-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "17.0.0+git2024020808.2c859275-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "18.0.0~rc1-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "18.0.0-0ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "zaqar",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "22.0.0-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "22.0.0+git20260723.62.36e0796-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "23.0.0~rc1-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "23.0.0-0ubuntu1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "zaqar",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "21.0.0-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "21.0.0+git20260121.32.59a7a63d-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "22.0.0~rc1-0ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "22.0.0-0ubuntu1",
"evidence": "/affected/6/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-66139",
"aliases": [
"UBUNTU-CVE-2026-66139"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"1.0.0-2",
"1.0.0-6",
"2.0.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python-zaqar",
"binary_version": "2.0.0-1"
},
{
"binary_name": "zaqar-common",
"binary_version": "2.0.0-1"
},
{
"binary_name": "zaqar-server",
"binary_version": "2.0.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"5.0.0-0ubuntu1",
"6.0.0~b1-0ubuntu1",
"6.0.0~b2-0ubuntu2",
"6.0.0~b3-0ubuntu1",
"6.0.0~rc1-0ubuntu1",
"6.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python-zaqar",
"binary_version": "6.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-common",
"binary_version": "6.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-server",
"binary_version": "6.0.0-0ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"9.0.0-0ubuntu1",
"10.0.0~b1~git2019121815.55c73e22-0ubuntu1",
"10.0.0~b2~git2020021011.22c457a5-0ubuntu1",
"10.0.0~b3~git2020032614.22c457a5-0ubuntu1",
"10.0.0~b3~git2020041014.22c457a5-0ubuntu1",
"10.0.0-0ubuntu0.20.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-zaqar",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
},
{
"binary_name": "zaqar-common",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
},
{
"binary_name": "zaqar-server",
"binary_version": "10.0.0-0ubuntu0.20.04.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"13.0.0-0ubuntu1",
"13.0.0+git2021120910.a7593240-0ubuntu1",
"13.0.0+git2022011310.1726ac41-0ubuntu1",
"14.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-zaqar",
"binary_version": "14.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-common",
"binary_version": "14.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-server",
"binary_version": "14.0.0-0ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"17.0.0-0ubuntu1",
"17.0.0+git2024020808.2c859275-0ubuntu1",
"18.0.0~rc1-0ubuntu1",
"18.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-zaqar",
"binary_version": "18.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-common",
"binary_version": "18.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-server",
"binary_version": "18.0.0-0ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"22.0.0-0ubuntu1",
"22.0.0+git20260723.62.36e0796-0ubuntu1",
"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-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-zaqar",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-common",
"binary_version": "23.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-server",
"binary_version": "23.0.0-0ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"21.0.0-0ubuntu1",
"21.0.0+git20260121.32.59a7a63d-0ubuntu1",
"22.0.0~rc1-0ubuntu2",
"22.0.0-0ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66139.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python3-zaqar",
"binary_version": "22.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-common",
"binary_version": "22.0.0-0ubuntu1"
},
{
"binary_name": "zaqar-server",
"binary_version": "22.0.0-0ubuntu1"
}
]
}
}
],
"modified": "2026-10-17T13:00:35.550622211Z",
"provider": "osv",
"upstream": [
"CVE-2026-66139"
],
"references": [
"https://ubuntu.com/security/CVE-2026-66139",
"https://www.cve.org/CVERecord?id=CVE-2026-66139",
"https://www.openwall.com/lists/oss-security/2026/07/23/7",
"https://launchpad.net/bugs/2161254",
"https://bugs.launchpad.net/ossa/+bug/2161254"
]
},
"related_cves": [
{
"value": "CVE-2026-66139",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 360721,
"published_at": "2026-07-24T05:16:00+00:00"
}