UBUNTU-CVE-2025-65073

Advisory lineage Upstream: 1 Downstream: 1

Upstream

CVE-2025-65073

Downstream

USN-7926-1

Published: 04 Nov 2025, 15:00

Last modified:20 May 2026, 16:23

Vulnerability Summary

Overall Risk (default)

medium

30/100

CVSS Score

7.5 HIGH

3.1 (osv_ubuntu)

EPSS Score

No data

KEV

Not listed

Ransomware

No reports

Public exploits

None found

Dark Web

Not detected

Timeline

04 Nov 2025, 15:00

Published

Vulnerability first disclosed

20 May 2026, 16:23

Last Modified

Vulnerability information updated

Description

OpenStack Keystone before 26.0.1, 27.0.0, and 28.0.0 allows a /v3/ec2tokens or /v3/s3tokens request with a valid AWS Signature to provide Keystone authorization.

CVSS Metrics

v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

Affected Systems

ubuntu•heat
all | all | all | all | all | all | all
ubuntu•keystone
all | all | all | all | < 2:21.0.1-0ubuntu2.1 | < 2:25.0.0-0ubuntu1.1 | < 2:28.0.0-0ubuntu1.1 | < 2:28.0.0-0ubuntu2
ubuntu•swift
all | all | all | < 2.29.2-0ubuntu1.1 | < 2.33.0-0ubuntu1.1 | < 2.36.0-0ubuntu1.1 | all