CVE-2026-43003

HIGHNVD 7.58.0▲
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2026-05-01. NVD baseline CVSS 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.5
EG Score
8.0(medium)
EPSS
53.5%
KEV
Not listed

Published

May 1, 2026

Last Modified

June 30, 2026

Advisory Details (2)

Auto-updated May 1, 2026
No patch confirmed yet.
generic

ironic-python-agent/ironic_python_agent/efi_utils.py at 236b33abffe6688afc39c21e351cc3889b3db2dd · openstack/ironic-python-agent · GitHub

https://github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#L134-L139
generic

Bug #2148310 “Command injection via chroot execution of tenant-c...” : Bugs : ironic-python-agent

https://bugs.launchpad.net/ironic-python-agent/+bug/2148310

Vendor Advisories for CVE-2026-43003(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
pipironic-python-agent—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
ironic-python-agent1.0.0 ... 9.9.0 (120 versions)11.6.0—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 111 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:16 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-01 15:06 UTCEPSS rescore
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-28 14:07 UTCEPSS rescore
  13. 2026-06-28 04:56 UTCEPSS rescore
  14. 2026-06-27 03:08 UTCEPSS rescore
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-24 14:05 UTCEPSS rescore
  18. 2026-06-24 11:53 UTCNVD updateCVSS v3 → 7.5
  19. 2026-06-23 21:33 UTCEPSS rescore
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 01:59 UTCEPSS rescore
  25. 2026-06-19 19:25 UTCEPSS rescore
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  1. 2026-06-18 17:52 UTCEPSS rescore
  2. 2026-06-18 17:52 UTCEPSS rescore
  3. 2026-06-17 17:53 UTCEPSS rescore
  4. 2026-06-16 17:52 UTCEPSS rescore
  5. 2026-06-15 17:49 UTCEPSS rescore
  6. 2026-06-14 21:27 UTCEG score recompute
  7. 2026-06-14 09:12 UTCEG score recompute
  8. 2026-06-13 23:00 UTCEPSS rescore
  9. 2026-06-12 23:12 UTCEPSS rescore
  10. 2026-06-12 23:12 UTCEPSS rescore
  11. 2026-06-12 05:41 UTCEG score recompute
  12. 2026-06-11 17:27 UTCEG score recompute
  13. 2026-06-11 14:00 UTCEPSS rescore
  14. 2026-06-11 04:42 UTCEG score recompute
  15. 2026-06-10 22:18 UTCEPSS rescore
  16. 2026-06-10 13:22 UTCEPSS rescore
  17. 2026-06-10 13:22 UTCEPSS rescore
  18. 2026-06-10 12:23 UTCEG score recompute
  19. 2026-06-10 00:08 UTCEG score recompute
  20. 2026-06-09 11:53 UTCEG score recompute
  21. 2026-06-09 11:52 UTCGHSA enrichment
  22. 2026-06-08 23:33 UTCEG score recompute
  23. 2026-06-08 23:33 UTCGHSA enrichment
  24. 2026-06-08 14:17 UTCEPSS rescore
  25. 2026-06-08 14:17 UTCEPSS rescore
  26. 2026-06-08 03:49 UTCEG score recompute
  27. 2026-06-08 03:49 UTCGHSA enrichment
  28. 2026-06-07 15:35 UTCEG score recompute
  29. 2026-06-07 15:35 UTCGHSA enrichment
  30. 2026-06-07 15:25 UTCEPSS rescore
  31. 2026-06-07 15:25 UTCEPSS rescore
  32. 2026-06-07 03:20 UTCEG score recompute
  33. 2026-06-07 03:20 UTCGHSA enrichment
  34. 2026-06-06 15:04 UTCEG score recompute
  35. 2026-06-06 15:04 UTCGHSA enrichment
  36. 2026-06-06 13:47 UTCEPSS rescore
  37. 2026-06-06 13:47 UTCEPSS rescore
  38. 2026-06-06 02:48 UTCEG score recompute
  39. 2026-06-06 02:48 UTCGHSA enrichment
  40. 2026-06-06 02:48 UTCEG score recompute
  41. 2026-06-06 02:48 UTCGHSA enrichment
  42. 2026-06-05 22:47 UTCEPSS rescore
  43. 2026-06-05 14:03 UTCEG score recompute
  44. 2026-06-05 14:03 UTCGHSA enrichment
  45. 2026-06-05 06:10 UTCEPSS rescore
  46. 2026-06-05 06:10 UTCEPSS rescore
  47. 2026-06-05 01:44 UTCEG score recompute
  48. 2026-06-05 01:44 UTCGHSA enrichment
  49. 2026-06-04 13:12 UTCEPSS rescore
  50. 2026-06-04 13:12 UTCEPSS rescore
  51. 2026-06-04 12:03 UTCEG score recompute
  52. 2026-06-04 12:03 UTCGHSA enrichment
  53. 2026-06-03 23:48 UTCEG score recompute
  54. 2026-06-03 23:48 UTCGHSA enrichment
  55. 2026-06-03 11:33 UTCEG score recompute
  56. 2026-06-03 11:33 UTCGHSA enrichment
  57. 2026-06-02 23:18 UTCEG score recompute
  58. 2026-06-02 23:18 UTCGHSA enrichment
  59. 2026-06-02 20:13 UTCEPSS rescore
  60. 2026-06-02 11:03 UTCEG score recompute
  61. 2026-06-02 11:03 UTCGHSA enrichment
  62. 2026-06-01 22:45 UTCEG score recompute
  63. 2026-06-01 22:45 UTCGHSA enrichment
  64. 2026-06-01 13:52 UTCEPSS rescore
  65. 2026-06-01 13:52 UTCEPSS rescore
  66. 2026-06-01 10:30 UTCEG score recompute
  67. 2026-06-01 10:30 UTCGHSA enrichment
  68. 2026-05-31 22:30 UTCEPSS rescore
  69. 2026-05-31 22:30 UTCEPSS rescore
  70. 2026-05-31 00:16 UTCEPSS rescore
  71. 2026-05-31 00:16 UTCEPSS rescore
  72. 2026-05-29 13:44 UTCEPSS rescore
  73. 2026-05-29 13:44 UTCEPSS rescore
  74. 2026-05-28 13:44 UTCEPSS rescore
  75. 2026-05-28 13:44 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-43003?
CVE-2026-43003 is a high vulnerability 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.
When was CVE-2026-43003 disclosed?
CVE-2026-43003 was first published in the National Vulnerability Database on May 1, 2026, with the most recent update on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43003 actively exploited?
CVE-2026-43003 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-43003?
CVE-2026-43003 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.0.
How do I remediate CVE-2026-43003?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43003, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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