CVE-2026-66139

EUVD-2026-48477
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.66%
Debian logo
Debian Releases
Debian Product
Codename
zaqar
bookworm
vulnerable
forky
22.0.0-3
fixed
sid
22.0.0-3
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
zaqar
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://bugs.launchpad.net/ossa/+bug/2161254
https://www.openwall.com/lists/oss-security/2026/07/23/7
http://www.openwall.com/lists/oss-security/2026/07/24/27