What is CVE-2025-65073?

CVE-2025-65073 is a high-severity vulnerability in Openstack Keystone, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2025-11-17.

How severe is CVE-2025-65073?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Openstack Keystone

CVE-2025-65073

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.

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N.

Affected products

Openstack Keystone — versions 0, 27.0.0, 28.0.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

www.openwall.com/lists/oss-security/2025/11/04/2

Frequently asked questions

What is CVE-2025-65073?: CVE-2025-65073 is a high-severity vulnerability in Openstack Keystone, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2025-11-17.
How severe is CVE-2025-65073?: High severity. CVSS v3 base score is 7.5 out of 10.