USN-8421-1: ironic Ubuntu
Vulnerability summary
USN-8421-1 is a vulnerability in ironic Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 3 · Downstream 0 · Related 3Timeline
- 11-06-2026PublishedVulnerability first disclosed.
- 12-06-2026Last modifiedVulnerability information updated.
Description
ironic vulnerabilities Dmitry Tantsur and Tuomo Tanskanen discovered that Ironic did not properly validate file paths when handling ISO images. A privileged authenticated remote user could use this issue to perform path traversal via a crafted ISO image and overwrite arbitrary files on the Ironic conductor. (CVE-2026-48681) Dmitry Tantsur and Tuomo Tanskanen discovered that Ironic did not properly validate kernel command line parameters. A privileged authenticated remote user could use this issue to inject scripts during node boot and possibly execute arbitrary code. (CVE-2026-46447) Dmitry Tantsur and Tuomo Tanskanen discovered that Ironic incorrectly restricted access to custom PXE templates. A privileged authenticated remote user could use this issue to read arbitrary sensitive files on the Ironic conductor. (CVE-2026-44917)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- ironic< 1:20.1.0-0ubuntu1.3 | < 1:24.1.1-0ubuntu1.3 | < 1:32.0.0-0ubuntu1.1 | < 1:35.0.0-0ubuntu2.1
1 vendor · 1 product