CVE-2026-66138

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-24. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

In OpenStack Ironic Python Agent through 11.6.0, a project-scoped user with the manager role can achieve arbitrary code execution on a running Ironic-Python-Agent via a maliciously constructed configuration, because the value of ntp_server is passed to a shell.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 25, 2026

Advisory Details (2)

Auto-updated Jul 24, 2026
No patch confirmed yet.
generic

OSSA-2026-027: Command execution via unsanitized config — OpenStack Security Advisories 0.0.1.dev353 documentation

https://security.openstack.org/ossa/OSSA-2026-027.html
generic

Bug #2160050 “[OSSA-2026-027] Arbitrary command execution throug...” : Bugs : ironic-python-agent

https://bugs.launchpad.net/ironic-python-agent/+bug/2160050

Vendor Advisories for CVE-2026-66138(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 23× 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.

  1. 2026-07-30 01:30 UTCEPSS rescore
  2. 2026-07-29 21:58 UTCGHSA enrichment
  3. 2026-07-29 08:59 UTCGHSA enrichment
  4. 2026-07-28 20:00 UTCEG score recompute
  5. 2026-07-28 20:00 UTCGHSA enrichment
  6. 2026-07-28 15:37 UTCEPSS rescore
  7. 2026-07-28 07:02 UTCGHSA enrichment
  8. 2026-07-27 18:02 UTCEG score recompute
  9. 2026-07-27 18:02 UTCGHSA enrichment
  10. 2026-07-27 14:14 UTCEPSS rescore
  11. 2026-07-27 05:04 UTCGHSA enrichment
  12. 2026-07-26 16:06 UTCEG score recompute
  13. 2026-07-26 16:05 UTCGHSA enrichment
  14. 2026-07-26 14:54 UTCEPSS rescore
  15. 2026-07-26 14:54 UTCEPSS rescore
  16. 2026-07-26 03:04 UTCEG score recompute
  17. 2026-07-26 03:04 UTCGHSA enrichment
  18. 2026-07-25 14:18 UTCEPSS rescore
  19. 2026-07-25 14:18 UTCEPSS rescore
  20. 2026-07-24 14:18 UTCEPSS rescore
  21. 2026-07-24 14:18 UTCEPSS rescore
  22. 2026-07-24 04:42 UTCEG score recompute
  23. 2026-07-24 04:41 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-66138?
CVE-2026-66138 is a high vulnerability published on July 24, 2026. In OpenStack Ironic Python Agent through 11.6.0, a project-scoped user with the manager role can achieve arbitrary code execution on a running Ironic-Python-Agent via a maliciously constructed configuration, because the value of ntp_server is passed to a shell.
When was CVE-2026-66138 disclosed?
CVE-2026-66138 was first published in the National Vulnerability Database on July 24, 2026, with the most recent update on July 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66138 actively exploited?
CVE-2026-66138 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 65.2% of all scored CVEs.
What is the CVSS score of CVE-2026-66138?
CVE-2026-66138 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-66138?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66138, 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

Explore the affected products and dependency analysis for CVE-2026-66138

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