CVE-2026-43003: openstack ironic_python_agent
CVSS: 8.0v3.1HighModified
AliasesGHSA-rmxr-45gj-889wPYSEC-2026-205UBUNTU-CVE-2026-43003DEBIAN-CVE-2026-43003
Published 01-05-2026Last modified 09-09-2026
Vulnerability summary
CVE-2026-43003 is a high (CVSS 8.0) vulnerability in openstack ironic_python_agent. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 65.8% of scored vulnerabilities.
CVSS score
8.0/10
010
High · v3.1 (CVE.org)EPSS score
1.13%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-05-2026PublishedVulnerability first disclosed.
- 09-09-2026Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 5 sources · 1 versionHigh 8.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HSources5 sources · 7.5–8.0
- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
1.13%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.14 pp
From 0.98% on 19-09-2026
19-09-202619-10-2026
EPSS score1.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-829Inclusion of Functionality from Untrusted Control SphereThe product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Affected systems
Debian2 products
- ironic< 1:21.4.4-0+deb12u2 | < 1:29.0.5-0+deb13u3 | < 1:35.0.1-7
- ironic-python-agentAll versions (No fix recorded) | < 11.5.0-3
Openstack2 products
- ironic_python_agent≥ 1.0.0, ≤ 11.5.0
- ironic-python-agent< 10.2.3 | ≥ 11.0.0, < 11.2.1 | ≥ 11.3.0, < 11.5.1
PyPI1 product
- ironic-python-agent≥ 1.0.0, < 11.6.0
Ubuntu1 product
- ironic-python-agentAll versions (No fix recorded)
4 vendors · 6 products
