SecuriTricks - CVE-2025-65073

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.

Product(s) Impacted

Vendor	Product	Versions
Openstack	Keystone	<26.0.1, <27.0.0, <28.0.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	openstack	keystone	<26.0.1	/	/	/	/	/	/	/
a	openstack	keystone	<27.0.0	/	/	/	/	/	/	/
a	openstack	keystone	<28.0.0	/	/	/	/	/	/	/

References

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

http://www.openwall.com/lists/oss-security/2025/11/17/6

CVSS Score

7.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: LOW
Integrity Impact: HIGH
Availability Impact: NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

View Vector String

Timeline

Published: Nov. 17, 2025, 8:16 a.m.
Last Modified: Nov. 18, 2025, 2:06 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-65073