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CVE-2025-65073

Good to know:

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Date: November 16, 2025

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.

Severity Score

Related Resources (5)

https://github.com/openstack/keystone
https://nvd.nist.gov/vuln/detail/CVE-2025-65073
http://www.openwall.com/lists/oss-security/2025/11/17/6
https://www.openwall.com/lists/oss-security/2025/11/04/2
https://www.mend.io/vulnerability-database/CVE-2025-65073

Severity Score

Weakness Type (CWE)

Incorrect Authorization

CWE-863

Top Fix

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Upgrade Version

Upgrade to version keystone - 27.0.0;keystone - 28.0.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): HIGH
Availability (A): NONE

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