id: PYSEC-2026-1490 published: "2026-07-07T16:03:10.401718Z" modified: "2026-07-07T17:24:24.082689Z" aliases: - CVE-2025-65073 - GHSA-hcqg-5g63-7j9h summary: OpenStack Keystone allows /v3/ec2tokens or /v3/s3tokens request with valid AWS Signature to provide Keystone authorization. details: 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: - package: name: keystone ecosystem: PyPI purl: pkg:pypi/keystone ranges: - type: ECOSYSTEM events: - introduced: "0" - fixed: 26.0.1 - introduced: 27.0.0.0rc1 - fixed: 27.0.0 - introduced: 28.0.0.0rc1 - fixed: 28.0.0 versions: - 12.0.2 - 12.0.3 - 13.0.2 - 13.0.3 - 13.0.4 - 14.0.0 - 14.0.1 - 14.1.0 - 14.2.0 - 15.0.0 - 15.0.0.0rc1 - 15.0.0.0rc2 - 15.0.1 - 16.0.0 - 16.0.0.0rc1 - 16.0.0.0rc2 - 16.0.1 - 16.0.2 - 17.0.0 - 17.0.0.0rc1 - 17.0.0.0rc2 - 17.0.1 - 18.0.0 - 18.0.0.0rc1 - 18.1.0 - 19.0.0 - 19.0.0.0rc1 - 19.0.0.0rc2 - 19.0.1 - 20.0.0 - 20.0.0.0rc1 - 20.0.1 - 21.0.0 - 21.0.0.0rc1 - 21.0.1 - 22.0.0 - 22.0.0.0rc1 - 22.0.1 - 22.0.2 - 23.0.0 - 23.0.0.0rc1 - 23.0.1 - 23.0.2 - 24.0.0 - 24.0.0.0rc1 - 24.1.0 - 25.0.0 - 25.0.0.0rc1 - 26.0.0 - 26.0.0.0rc1 - 27.0.0.0rc1 - 28.0.0.0rc1 references: - type: ADVISORY url: https://nvd.nist.gov/vuln/detail/CVE-2025-65073 - type: PACKAGE url: https://github.com/openstack/keystone - type: WEB url: https://www.openwall.com/lists/oss-security/2025/11/04/2 - type: WEB url: http://www.openwall.com/lists/oss-security/2025/11/17/6 - type: PACKAGE url: https://pypi.org/project/keystone - type: ADVISORY url: https://github.com/advisories/GHSA-hcqg-5g63-7j9h severity: - type: CVSS_V3 score: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N