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OpenAdvisories
High USN-8854-1 3 CVEs

keystone vulnerabilities

Published Sep 30, 2026 · Updated Oct 1, 2026

Summary

Grzegorz Grasza discovered that OpenStack Keystone did not consistently
enforce restrictions for delegated authentication tokens. An authenticated
attacker could possibly use this issue to create credentials or delegations
that outlasted the delegated token. (CVE-2026-80182)

It was discovered that OpenStack Keystone incorrectly handled role
assignment queries under certain circumstances. An authenticated attacker
could possibly use this issue to obtain sensitive information. This
issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04
LTS, and Ubuntu 26.04 LTS. (CVE-2026-80183)

Tim Shephard discovered that OpenStack Keystone did not properly
restrict reauthentication using delegated tokens. An authenticated
attacker could possibly use this issue to escape their intended
project scope and obtain unauthorized access. (CVE-2026-80184)

Fixed packages 6

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS keystone 2:21.0.1-0ubuntu2.6
Ubuntu · 24.04 LTS 24.04:LTS keystone 2:25.0.0-0ubuntu1.6
Ubuntu · 26.04 LTS 26.04:LTS keystone 2:29.0.0-0ubuntu1.4
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS keystone 2:9.3.0-0ubuntu3.2+esm2
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS keystone 2:13.0.4-0ubuntu1+esm1
Ubuntu · Pro 20.04 LTS Pro:20.04:LTS keystone 2:17.0.1-0ubuntu2+esm2

Vulnerabilities 3

References

  • report
    https://ubuntu.com/security/CVE-2026-80182
  • report
    https://ubuntu.com/security/CVE-2026-80183
  • report
    https://ubuntu.com/security/CVE-2026-80184