GHSA-hcqg-5g63-7j9h

OpenStack Keystone allows /v3/ec2tokens or /v3/s3tokens request with valid AWS Signature to provide Keystone authorization.

Source: GitHub Advisory Database (reviewed) High CVE-2025-65073

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	keystone	< 26.0.1	26.0.1
PyPI	keystone	>= 27.0.0.0rc1, < 27.0.0	27.0.0
PyPI	keystone	>= 28.0.0.0rc1, < 28.0.0	28.0.0

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

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