CVE-2026-54421: OpenStack Ironic can return unredacted sensitive information when applying a PATCH to update fields in volume properties

June 14, 2026 (updated August 25, 2026)

In OpenStack Ironic through 35.0.1, when applying a PATCH to update fields in volume properties the user is authorized for, Ironic can return unredacted sensitive information (such as iSCSI credentials). The PATCH outcome is a security issue; the POST outcome is not a security issue.

References

bugs.launchpad.net/ironic/+bug/2155049
github.com/advisories/GHSA-j4cw-mcg2-2q78
github.com/openstack/ironic/commit/dd2df520fe0ae019cb247a8295542abc2d4b46dd
nvd.nist.gov/vuln/detail/CVE-2026-54421
review.opendev.org/c/openstack/ironic/+/990430
security.openstack.org/ossa/OSSA-2026-023.html

Code Behaviors & Features

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