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

Source: https://junglewise.ai/threats/cve-2025-65073-openstack-keystone-allows-v3-ec2tokens-or-v3-s3tokens-request  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-17  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/keystone). Vendors: [PyPI](https://junglewise.ai/threats/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

  ```sh
  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

## Related threats

- [PYSEC-2026-2549 - OpenStack Identity Keystone and keystonemiddleware Insufficiently Protected Credentials](https://junglewise.ai/threats/cve-2015-7546-openstack-identity-keystone-and-keystonemiddleware-insufficiently)
- [PYSEC-2026-830 - OpenStack Keystone allows information disclosure during account locking](https://junglewise.ai/threats/cve-2021-38155-openstack-keystone-allows-information-disclosure-during-account)
- [PYSEC-2026-831 - OpenStack Identity Keystone Privilege Escalation vulnerability](https://junglewise.ai/threats/cve-2013-4477-openstack-identity-keystone-privilege-escalation-vulnerability)
- [PYSEC-2026-833 - OpenStack Keystone does not invalidate existing tokens when granting or revoking roles](https://junglewise.ai/threats/cve-2012-4413-openstack-keystone-does-not-invalidate-existing-tokens-when)
- [PYSEC-2026-832 - OpenStack Keystone Improper Authentication vulnerability](https://junglewise.ai/threats/cve-2012-4456-openstack-keystone-improper-authentication-vulnerability)