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USN-7857-1

keystone vulnerability

No scoreFix available

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.

What each source reports

OSV No score

keystone vulnerability

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.

Record
USN-7857-1
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
keystone
Ubuntu:24.04:LTS
before 2:25.0.0-0ubuntu1.1, plus listed versions
2:24.0.0-0ubuntu12:24.0.0+git2024011916.adfa92b4-0ubuntu12:25.0.0~rc1-0ubuntu12:25.0.0-0ubuntu1
2:25.0.0-0ubuntu1.1
keystone
Ubuntu:25.10
before 2:28.0.0-0ubuntu1.1, plus listed versions
2:27.0.0-0ubuntu12:27.0.0+git2025080113.e066e18ab-0ubuntu12:28.0.0~rc1-0ubuntu12:28.0.0-0ubuntu1
2:28.0.0-0ubuntu1.1

History

History
RecordedChangedSources
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

USN-7857-1 is a vulnerability with no CVSS score yet in keystone, published November 4, 2025. No source lists public exploit code. Fixed in keystone 2:25.0.0-0ubuntu1.1.

References

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