CVE-2025-65073

HIGH

OpenStack Keystone < 26.0.1, 27.0.0, 28.0.0 - Incorrect Authorization via AWS Signature

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0003
EPSS Percentile 9.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (4)
OpenStack/Keystone < 26.0.1
OpenStack/Keystone 27.0.0
OpenStack/Keystone 28.0.0
pypi/keystone 0 - 26.0.1PyPI
Published Nov 17, 2025
Tracked Since Feb 18, 2026