CVE-2025-65073

HIGH7.5EPSS 0.03%

keystone - security update

Published: 11/17/2025Modified: 4/28/2026

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.

Affected packages (4)

Debian/keystonefrom 0, < 2:18.1.0-1+deb11u2
Debian/keystonefrom 0, < 2:18.1.0-1+deb11u2
Debian/keystonefrom 0, < 2:22.0.2-0+deb12u1
PyPI/keystonefrom 0, < 26.0.1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-65073
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-65073
PATCHhttps://github.com/openstack/keystone
WEBhttps://www.openwall.com/lists/oss-security/2025/11/04/2
WEBhttp://www.openwall.com/lists/oss-security/2025/11/17/6