Arbitrary Code Exec via grub-install in OpenStack iPythonAgent <11.5.0
CVE-2026-43003 Published on May 1, 2026
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.
Vulnerability Analysis
Attack Vector:
ADJACENT_NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
Weakness Type
Inclusion of Functionality from Untrusted Control Sphere
The software imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
Affected Versions
OpenStack ironic-python-agent:- Version 1.0.0, <= 11.5.0 is affected.
Exploit Probability
EPSS
0.06%
Percentile
19.15%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.