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Debian Keystone Important Authorization Bypass Vulnerability DSA-6331-1

debian
Calendar Grey June 8, 2026
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Multiple vulnerabilities in Keystone, OpenStack's identity service, fixed in Debian update for version 2:22.0.2-0+deb12u3.
Multiple vulnerabilities were discovered in Keystone, the OpenStack identity service, which may result in authorisation bypass, privilege escalation, user impersonation or incomple...
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Topics Covered

security advisory debian privilege escalation important authorization bypass Keystone

Summary

For the oldstable distribution (bookworm), these problems have been fixed
in version 2:22.0.2-0+deb12u3. This update also include two fixes
already uploaded to be included in the final Bookworm point release
(CVE-2026-40683, CVE-2026-33551).

For the stable distribution (trixie), these problems have been fixed in
version 2:27.0.0-3+deb13u4. This update also include two fixes
already uploaded to be included in the next Trixie point release
(CVE-2026-40683, CVE-2026-33551).

We recommend that you upgrade your keystone packages.

For the detailed security status of keystone please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/keystone

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
important
Lowest
Low
Medium
High
Critical

Package: keystone
CVE ID: CVE-2026-42998 CVE-2026-42999 CVE-2026-43000

Topics%20covered

Topics Covered

security advisory debian privilege escalation important authorization bypass Keystone

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