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.
CVE-2025-65073
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 10.0%
- KEV
- Not listed
Published
November 17, 2025
Last Modified
June 17, 2026
References (2)
- cve@mitrehttps://www.openwall.com/lists/oss-security/2025/11/04/2
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/11/17/6
Vendor Advisories for CVE-2025-65073(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python3-keystone (2:21.0.1-0ubuntu2.1) @ jammy | 2026-05-21 | ubuntu |
| redhat | openstack-keystone-1:23.0.3-18.0.20241202141842.9e3dfb4.el9ost | 2026-02-13 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| keystone | 28.0.0.0rc1 | 28.0.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 8× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:27 UTCEPSS rescore
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- 2026-05-21 04:37 UTCVendor advisory
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Frequently asked(5)
What is CVE-2025-65073?
When was CVE-2025-65073 disclosed?
Is CVE-2025-65073 actively exploited?
What is the CVSS score of CVE-2025-65073?
How do I remediate CVE-2025-65073?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-65073
Is Your Infrastructure Affected by CVE-2025-65073?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.