Home / mailings [SECURITY] [DSA 6554-1] keystone security update
Posted on 12 October 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6554-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
October 12, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : keystone
CVE ID : CVE-2026-90460
A vulnerability was discovered in the handling of delegated
authentication in Keystone, the OpenStack identity service, which may
result in information disclosure of privilege escalation.
For the stable distribution (trixie), this problem has been fixed in
version 2:27.0.0-3+deb13u6.
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/
Mailing list: debian-security-announce@lists.debian.org
