---
cve: "CVE-2026-43003"
severity: "HIGH"
cvss: 8.0
epss: "82%"
vendor: "OpenStack"
kev: false
exploited: false
published: "2026-05-01 09:16:17"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T13:26:29+02:00"
---

# CVE-2026-43003

> 8.0 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 03bdd46dd009320990d60e533b2c2209b4098055 (Commit)

## Referenzen

- <https://bugs.launchpad.net/ironic-python-agent/+bug/2148310>
- <https://github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#L134-L139>
- <http://www.openwall.com/lists/oss-security/2026/06/16/11>
- <https://access.redhat.com/errata/RHSA-2026:51038>
- <https://access.redhat.com/errata/RHSA-2026:57801>
- <https://access.redhat.com/errata/RHSA-2026:60446>
- <https://access.redhat.com/errata/RHSA-2026:60454>
- <https://access.redhat.com/security/cve/CVE-2026-43003>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2464306>
- <https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43003.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-43003) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_