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CVE-2026-46447· NVD / CVE Program· CNA mitre

OpenStack Ironic before 35.0.2 allows Boot Script Injection of an iPXE script if the attacker can set node.driver_info or node.instance_info

OpenStack Ironic before 35.0.2 allows Boot Script Injection of an iPXE script if the attacker can set node.driver_info or node.instance_info.

HighCVSS 7.7 · v3.1—No exploit Fix available
Published
Jun 3, 2026
Updated
Jul 22, 2026
EPSS
0.4% · 35th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.7
CNA · mitre
5.8
1.9 point gap

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
openstackironic

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • openstack ironic17.0.0 and later · before 26.1.7
  • openstack ironic27.0.0 and later · before 29.0.6
  • openstack ironic30.0.0 and later · before 32.0.2
  • openstack ironic33.0.0 and later · before 35.0.2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mitre). Independent of NVD's CPE analysis and usually ahead of it.

  • OpenStack Ironic

    • 17.0.0 and later · before 26.1.7affected · semver
    • 27.0.0 and later · before 29.0.6affected · semver
    • 30.0.0 and later · before 32.0.2affected · semver
    • 33.0.0 and later · before 35.0.2affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12ironicbefore 1:21.4.4-0+deb12u11:21.4.4-0+deb12u1
Debian:13ironicbefore 1:29.0.5-0+deb13u21:29.0.5-0+deb13u2
Debian:14ironicbefore 1:35.0.1-51:35.0.1-5
PyPIironicfrom 17.0.0 · before 26.1.726.1.7
PyPIironicfrom 27.0.0 · before 29.0.629.0.6
PyPIironicfrom 30.0.0 · before 32.0.232.0.2
PyPIironicfrom 33.0.0 · before 35.0.235.0.2

Same product

openstack: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-54423In OpenStack Ironic before 37.0.1, an Ironic user with the ability to deploy nodes using the IPMI management interface can maliciously use t
    32Monitor
  • CVE-2026-48681OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image.
    32Monitor
  • CVE-2026-50589In OpenStack Ironic 32 before 37.0.0, an unauthenticated malicious user could submit a crafted JSON string to some endpoints on the API or J
    30Monitor
  • CVE-2026-42997An issue was discovered in idrac in OpenStack Ironic before 35.0.1.
    30Monitor
  • CVE-2026-42510OpenStack Ironic before 35.0.1 allows ipmitool execution in a non-default configuration that has a console interface.
    28Monitor
  • CVE-2026-54421In OpenStack Ironic before 37.0.1, when applying a PATCH to update fields in volume properties the user is authorized for, Ironic can return
    27Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
OpenStack Ironic26.1.7Vendor (CNA)
OpenStack Ironic29.0.6Vendor (CNA)
OpenStack Ironic32.0.2Vendor (CNA)
OpenStack Ironic35.0.2Vendor (CNA)
debian:ironic1:21.4.4-0+deb12u1 · Debian:12Package registry (OSV)
PyPI:ironic26.1.7Package registry (OSV)
PyPI:ironic29.0.6Package registry (OSV)
PyPI:ironic32.0.2Package registry (OSV)
PyPI:ironic35.0.2Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-4299729 days apartAn issue was discovered in idrac in OpenStack Ironic before 35.0.1.
    30Monitor
  • CVE-2026-449171 days apartOpenStack Ironic before 35.0.2 allows a malicious authenticated project admin or manager to read local files on the Ironic conductor via a p
    19Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-669 · Incorrect Resource Transfer Between Spheres

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records