Incorrect authorization in OpenStack Keystone
Priority LOW 32CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- Partial Red Hat: 3 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00243 15th percentileScored 2026-11-07
Fix Partial Keystone (OpenStack): 26.0.1keystone (PyPI): 26.0.1, 27.0.0, 28.0.0Red Hat: 3 advisoriesRed Hat: 3 fixed, 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenStack | Keystone | before 26.0.1; 27.0.0; 28.0.0 | 26.0.1 | Patch available | CNA |
| — | keystone (PyPI) | before 26.0.1 | 26.0.1 | Patch available | GHSA-hcqg-5g63-7j9h |
| — | keystone (PyPI) | 27.0.0.0rc1 to before 27.0.0 | 27.0.0 | Patch available | GHSA-hcqg-5g63-7j9h |
| — | keystone (PyPI) | 28.0.0.0rc1 to before 28.0.0 | 28.0.0 | Patch available | GHSA-hcqg-5g63-7j9h |
- Keystone VendorOpenStack Affected before 26.0.1; 27.0.0; 28.0.0 Fixed in 26.0.1 Patch available CNA
- keystone (PyPI) Vendor— Affected before 26.0.1 Fixed in 26.0.1 Patch available GHSA-hcqg-5g63-7j9h
- keystone (PyPI) Vendor— Affected 27.0.0.0rc1 to before 27.0.0 Fixed in 27.0.0 Patch available GHSA-hcqg-5g63-7j9h
- keystone (PyPI) Vendor— Affected 28.0.0.0rc1 to before 28.0.0 Fixed in 28.0.0 Patch available GHSA-hcqg-5g63-7j9h
Remediation
- Fix · CNA Keystone (OpenStack) Fixed in 26.0.1
- Fix · GHSA-hcqg-5g63-7j9h keystone (PyPI) Fixed in 26.0.1 Advisory →
- Fix · GHSA-hcqg-5g63-7j9h keystone (PyPI) Fixed in 27.0.0 Advisory →
- Fix · GHSA-hcqg-5g63-7j9h keystone (PyPI) Fixed in 28.0.0 Advisory →
Red Hat 3 advisories
- RHSA-2026:54757 Released 2026-08-13 · Red Hat rating ImportantRed Hat OpenStack Platform 16.2 security advisory
- Red Hat OpenStack Platform 16.2 collectd-sensubility-0.2.1-1.1.el8ost, erlang-23.3.4.18-2.el8ost, erlang-asn1-23.3.4.18-2.el8ost +41
- RHSA-2026:28044 Released 2026-06-22 · Red Hat rating ImportantRed Hat OpenStack Platform 17.1 (openstack-keystone) security update
- Red Hat OpenStack Platform 17.1 openstack-keystone-1:19.0.2-17.1.20260529190847.54dd95d.el9ost, openstack-swift-2.27.1-17.1.20231004180819.el9ost, openstack-swift-account-2.27.1-17.1.20231004180819.el9ost +9
- RHSA-2026:1958 Released 2026-02-13 · Red Hat rating ImportantRed Hat OpenStack Services on OpenShift 18.0 (openstack-keystone) security update
- Red Hat OpenStack Services on OpenShift 18.0 openstack-keystone-1:23.0.3-18.0.20241202141842.9e3dfb4.el9ost, python3-keystone-1:23.0.3-18.0.20241202141842.9e3dfb4.el9ost
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix yet |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet |
| Red Hat OpenStack Platform 18.0 | Affected | No fix yet |
| Red Hat OpenStack Platform 16.2 | Fixed | RHSA-2026:54757 |
| Red Hat OpenStack Platform 17.1 | Fixed | RHSA-2026:28044 |
| Red Hat OpenStack Services on OpenShift 18.0 | Fixed | RHSA-2026:1958 |
Not affected: 2 products
- Red Hat OpenStack Platform 16.2
- Red Hat OpenStack Platform 17.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-65073
- 2026-10-03 Alias added: GHSA-hcqg-5g63-7j9h
References
More OpenStack vulnerabilities
- TI-2026-78562 Incorrect authorization in OpenStack Manila share operations CVSS 3.1CRITICAL 9.9
- TI-2026-63467 Code injection in OpenStack Octavia CVSS 4.0CRITICAL 9.4
- TI-2017-13226 The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before… CVSS 3.1CRITICAL 9.8
- TI-2026-69629 OpenStack Mistral flaw lets users change other projects' resources CVSS 4.0HIGH 7.2
- TI-2026-69623 Command injection in OpenStack Mistral std.ssh_proxied action CVSS 4.0HIGH 8.7
- TI-2022-17779 Improper privilege management in OpenStack CVSS 3.1HIGH 8.8
Sources
- CVE-2025-65073 · CVE Program
- CVE-2025-65073 · NVD
- FIRST EPSS
- GHSA-hcqg-5g63-7j9h · GitHub Advisory Database · CC BY 4.0
- CVE-2025-65073 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences