CVE-2025-65073: PYSEC-2026-1490 - OpenStack Keystone allows /v3/ec2tokens or /v3/s3tokens request with valid AWS Signature to provide Keystone authorization.

CVE-2025-65073 · Severity: high · CVSS 7.5 · Published 2025-11-17

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.

Technologies: keystone (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-65073 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-65073 being exploited in the wild.
How severe is CVE-2025-65073?
High severity, with a CVSS score of 7.5, published 17 November 2025.
Which products and versions are affected?
keystone (PyPI) ECOSYSTEM:introduced=0,fixed=26.0.1, ECOSYSTEM:introduced=0,fixed=26.0.1,introduced=27.0.0.0rc1,fixed=27.0.0,introduced=28.0.0.0rc1,fixed=28.0.0.
Is there a fix for CVE-2025-65073?
Yes. keystone (PyPI): upgrade to 26.0.1, 28.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-65073?
Check whether you run keystone (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • keystone (PyPI): upgrade to 26.0.1, 28.0.0 or later
    pip install "keystone>=28.0.0"

Affected products

  • keystone (PyPI) ECOSYSTEM:introduced=0,fixed=26.0.1, ECOSYSTEM:introduced=0,fixed=26.0.1,introduced=27.0.0.0rc1,fixed=27.0.0,introduced=28.0.0.0rc1,fixed=28.0.0

Identifiers

  • CVE-2025-65073
  • GHSA-hcqg-5g63-7j9h
  • PYSEC-2026-1490

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.