OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.
{ "binaries": [ { "binary_name": "openstack", "binary_version": "1.0.7.16.04.1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115638.json"