USN-7857-1

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Source
https://ubuntu.com/security/notices/USN-7857-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7857-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7857-1
Related
Published
2025-11-04T19:38:36Z
Modified
2026-02-10T04:50:21Z
Summary
keystone vulnerability
Details

Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens and s3tokens APIs. A remote attacker could possibly use this issue to obtain unauthorized access and escalate privileges.

References

Affected packages

Ubuntu:24.04:LTS / keystone

Package

Name
keystone
Purl
pkg:deb/ubuntu/keystone@2:25.0.0-0ubuntu1.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:25.0.0-0ubuntu1.1

Affected versions

2:24.*
2:24.0.0-0ubuntu1
2:24.0.0+git2024011916.adfa92b4-0ubuntu1
2:25.*
2:25.0.0~rc1-0ubuntu1
2:25.0.0-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:25.0.0-0ubuntu1.1",
            "binary_name": "keystone"
        },
        {
            "binary_version": "2:25.0.0-0ubuntu1.1",
            "binary_name": "keystone-common"
        },
        {
            "binary_version": "2:25.0.0-0ubuntu1.1",
            "binary_name": "python3-keystone"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7857-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": []
}

Ubuntu:25.10 / keystone

Package

Name
keystone
Purl
pkg:deb/ubuntu/keystone@2:28.0.0-0ubuntu1.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:28.0.0-0ubuntu1.1

Affected versions

2:27.*
2:27.0.0-0ubuntu1
2:27.0.0+git2025080113.e066e18ab-0ubuntu1
2:28.*
2:28.0.0~rc1-0ubuntu1
2:28.0.0-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:28.0.0-0ubuntu1.1",
            "binary_name": "keystone"
        },
        {
            "binary_version": "2:28.0.0-0ubuntu1.1",
            "binary_name": "keystone-common"
        },
        {
            "binary_version": "2:28.0.0-0ubuntu1.1",
            "binary_name": "python3-keystone"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7857-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": []
}