ubuntu-cve-2026-66139
Vulnerability from osv_ubuntu
Published
2026-07-27 00:00
Modified
2026-07-27 00:00
Summary
Details
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
Severity
4.8 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar@2.0.0-1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.0-2",
"1.0.0-6",
"2.0.0-1"
]
},
{
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar@6.0.0-0ubuntu1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar@10.0.0-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar@14.0.0-0ubuntu1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"13.0.0-0ubuntu1",
"13.0.0+git2021120910.a7593240-0ubuntu1",
"13.0.0+git2022011310.1726ac41-0ubuntu1",
"14.0.0-0ubuntu1"
]
},
{
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar@18.0.0-0ubuntu1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"17.0.0-0ubuntu1",
"17.0.0+git2024020808.2c859275-0ubuntu1",
"18.0.0~rc1-0ubuntu1",
"18.0.0-0ubuntu1"
]
},
{
"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"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "zaqar",
"purl": "pkg:deb/ubuntu/zaqar@22.0.0-0ubuntu1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"21.0.0-0ubuntu1",
"21.0.0+git20260121.32.59a7a63d-0ubuntu1",
"22.0.0~rc1-0ubuntu2",
"22.0.0-0ubuntu1"
]
}
],
"aliases": [],
"details": "OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.",
"id": "UBUNTU-CVE-2026-66139",
"modified": "2026-07-27T00:00:00Z",
"published": "2026-07-27T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-66139"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-66139"
},
{
"type": "REPORT",
"url": "https://www.openwall.com/lists/oss-security/2026/07/23/7"
},
{
"type": "REPORT",
"url": "https://launchpad.net/bugs/2161254"
},
{
"type": "REPORT",
"url": "https://bugs.launchpad.net/ossa/+bug/2161254"
},
{
"type": "REPORT",
"url": "http://www.openwall.com/lists/oss-security/2026/07/24/27"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-66139"
]
}
Loading…
Loading…
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
Loading…
Loading…