7.5

CVE-2025-65073: openstack keystone Incorrect Authorization

Deferred
AliasesGHSA-hcqg-5g63-7j9hPYSEC-2026-1490RHSA-2026:1958
Published 17-11-2025Last modified 17-11-2025

Vulnerability summary

CVE-2025-65073 is a high (CVSS 7.5) Incorrect Authorization vulnerability in openstack keystone. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
RHSA-2026:28044RHSA-2026:54757USN-7926-1USN-7857-1

Timeline

  1. 17-11-2025
    PublishedVulnerability first disclosed.
  2. 17-11-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu3 products
  • heatAll versions (No fix recorded)
  • keystoneAll versions (No fix recorded) | < 2:21.0.1-0ubuntu2.1 | < 2:25.0.0-0ubuntu1.1 | < 2:28.0.0-0ubuntu1.1 | < 2:28.0.0-0ubuntu2
  • swiftAll versions (No fix recorded) | < 2.29.2-0ubuntu1.1 | < 2.33.0-0ubuntu1.1 | < 2.36.0-0ubuntu1.1
Redhat2 products
  • openstack-keystone< 1:23.0.3-18.0.20241202141842.9e3dfb4.el9ost
  • python3-keystone< 1:23.0.3-18.0.20241202141842.9e3dfb4.el9ost
Debian1 product
  • keystone< 2:18.1.0-1+deb11u2 | < 2:22.0.2-0+deb12u1 | < 2:27.0.0-3+deb13u1 | < 2:28.0.0-2
Openstack1 product
PyPI1 product
  • keystone< 26.0.1 | ≥ 27.0.0.0rc1, < 27.0.0 | ≥ 28.0.0.0rc1, < 28.0.0

5 vendors · 8 products

References

17 links
Show all 17 references