CVE-2026-44916: In OpenStack Ironic before 35.0.2 (in a certain non-default configuration), instance_info['ks_template'] is re

Routine

LOW 3.0UPGRADE

CVE-2026-44916 is a low-severity flaw (CVSS 3.0) affecting ironic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In OpenStack Ironic before 35.0.2 (in a certain non-default configuration), instance_info['ks_template'] is rendered without sandboxing.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.0 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-1336
Published	2026-05-08
Last modified	2026-10-26

Publisher (CNA): MITRE · Vendor: openstack

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-08 07:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

openstack ironic UPGRADE

Affected: >= 17.0.0 and < 26.1.7 · >= 27.0.0 and < 29.0.6 · >= 30.0.0 and < 32.0.2 · >= 33.0.0 and < 35.0.2

Fixed in: 26.1.7, 29.0.6, 32.0.2, 35.0.2

Safe to downgrade to: a release before 17.0.0

1. Check installed version

apt-cache policy ironic || rpm -q ironic || ironic --version

2. UPGRADE to 26.1.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ironic

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ironic

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 17.0.0 (Debian / Ubuntu)

apt-cache madison ironic sudo apt install ironic=<VERSION_BEFORE_17.0.0> sudo apt-mark hold ironic

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ironic sudo dnf downgrade ironic-<VERSION_BEFORE_17.0.0> sudo dnf versionlock add ironic

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44916?

ironic: upgrade to 26.1.7, 29.0.6, 32.0.2, 35.0.2. Exact commands for each OS are on this page.

Is CVE-2026-44916 being exploited?

CVE-2026-44916 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44916 affect?

CVE-2026-44916 affects ironic. Severity is low (CVSS 3.0). In OpenStack Ironic before 35.0.2 (in a certain non-default configuration), instance_info['ks_template'] is rendered without sandboxing.

How urgent is CVE-2026-44916?

Priority 17/100. No elevated risk signals yet.

Software pages

OpenStack vulnerabilities

Related CVEs

CVE-2026-42510 MEDIUM 6.6 UPGRADE OpenStack Ironic before 35.0.1 allows ipmitool execution in a non-default configuration that has a console int
CVE-2026-44919 MEDIUM 4.3 UPGRADE In OpenStack Ironic through 35.x before a3f6d73, during image handling, an infinite loop in checksum calculati

References

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