An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0. Ironic Python Agent (IPA) sometimes executes grub-install from within a chroot of the deployed partition image, leading to code execution in the case of a malicious image.

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6445 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6445-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     August 17, 2026                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : ironic     CVE ID         : CVE-2026-43003 CVE-2026-44918 CVE-2026-54421                      CCE-2026-54423

    Multiple security vulnerabilities were discovered in Ironic,     the OpenStack component to management and provision of baremetal     servers, which could result in bypass of administrative access/API     restrictions, information disclosure or the execution of arbitrary     code via malformed images.

    For the stable distribution (trixie), these problems have been fixed in     version 1:29.0.5-0+deb13u3.

    We recommend that you upgrade your ironic packages.

    For the detailed security status of ironic please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/ironic

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4743 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4743-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/          Carlos Henrique Lima Melara     August 16, 2026                               https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : ironic     Version        : 1:21.4.4-0+deb12u2     CVE ID         : CVE-2026-43003 CVE-2026-54421     Debian Bug     : 1140012 1140187 1144214

    Multiple vulnerabilities were discovered in Ironic, the OpenStack bare metal     hypervisor API for OpenStack.

    CVE-2026-54421

        Sensitive properties returned unredacted in POST and PATCH HTTP         responses.

    CVE-2026-43003

        Command injection via chroot execution of tenant-controlled         binaries.

    OSSN-0106

        API ramdisk endpoints require network-level access controls.


    For Debian 12 bookworm, these problems have been fixed in version     1:21.4.4-0+deb12u2.

    We recommend that you upgrade your ironic packages.

    For the detailed security status of ironic please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/ironic

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0. Ironic Python Agent (IPA)
    sometimes executes grub-install from within a chroot of the deployed partition image, leading to code
    execution in the case of a malicious image. (CVE-2026-43003)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0. Ironic Python Agent (IPA)     sometimes executes grub-install from within a chroot of the deployed partition image, leading to code     execution in the case of a malicious image. (CVE-2026-43003)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
336013	Debian dsa-6445 : ironic-api - security update	Nessus	Debian Local Security Checks	Local	high
335931	Debian dla-4743 : ironic-api - security update	Nessus	Debian Local Security Checks	Local	high
442851	SCA: security update for ironic-python-agent (GHSA-rmxr-45gj-889w)	Tenable Cloud Security	SCA Checks	Local	high
442851	SCA: security update for ironic-python-agent (GHSA-rmxr-45gj-889w)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
311706	Linux Distros Unpatched Vulnerability : CVE-2026-43003	Nessus	Misc.	Local	high

Detections

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CVE-2026-43003

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Tenable Plugins

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