CVE-2026-18951

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-10. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and delete TrainJobs. When combined with a separate vulnerability (TRN-01) that permits arbitrary pod configurations, a remote attacker with namespace editor privileges could exploit this to escalate privileges, potentially leading to arbitrary code execution.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 14, 2026

Advisory Details (2)

Auto-updated Aug 10, 2026
Patch available. Sources: redhat.
redhat

2511187 – (CVE-2026-18951) CVE-2026-18951 odh-training-operator-rhel9: [Trainer v2 Security] TRN-02: RHOAI overlay aggregates trainjobs CRUD into standard edit ClusterRole

https://bugzilla.redhat.com/show_bug.cgi?id=2511187
redhat Patch Available

CVE-2026-18951 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-18951

Vendor Advisories for CVE-2026-18951(3)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhoai/odh-training-operator-rhel9:17851884612026-08-11redhat
redhatrhoai/odh-training-operator-rhel9:17848143522026-08-11redhat

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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 43× in last 7d / 80× 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. 2026-08-20 18:20 UTCVendor advisory
  2. 2026-08-20 18:20 UTCGHSA enrichment
  3. 2026-08-20 06:32 UTCVendor advisory
  4. 2026-08-20 06:32 UTCGHSA enrichment
  5. 2026-08-19 18:43 UTCEG score recompute
  6. 2026-08-19 18:43 UTCVendor advisory
  7. 2026-08-19 18:43 UTCGHSA enrichment
  8. 2026-08-19 17:03 UTCEPSS rescore
  9. 2026-08-19 06:46 UTCVendor advisory
  10. 2026-08-19 06:46 UTCGHSA enrichment
  11. 2026-08-18 18:56 UTCEG score recompute
  12. 2026-08-18 18:56 UTCVendor advisory
  13. 2026-08-18 18:56 UTCGHSA enrichment
  14. 2026-08-18 13:48 UTCEPSS rescore
  15. 2026-08-18 07:07 UTCVendor advisory
  16. 2026-08-18 07:07 UTCGHSA enrichment
  17. 2026-08-17 19:17 UTCEG score recompute
  18. 2026-08-17 19:17 UTCVendor advisory
  19. 2026-08-17 19:17 UTCGHSA enrichment
  20. 2026-08-17 13:47 UTCEPSS rescore
  21. 2026-08-17 06:33 UTCVendor advisory
  22. 2026-08-17 06:33 UTCGHSA enrichment
  23. 2026-08-16 18:33 UTCEG score recompute
  24. 2026-08-16 18:33 UTCVendor advisory
  25. 2026-08-16 18:33 UTCGHSA enrichment
Show 55 more
  1. 2026-08-16 14:56 UTCEPSS rescore
  2. 2026-08-16 06:44 UTCEG score recompute
  3. 2026-08-16 06:44 UTCVendor advisory
  4. 2026-08-16 06:44 UTCGHSA enrichment
  5. 2026-08-16 02:14 UTCEPSS rescore
  6. 2026-08-15 18:56 UTCVendor advisory
  7. 2026-08-15 18:56 UTCGHSA enrichment
  8. 2026-08-15 07:08 UTCEG score recompute
  9. 2026-08-15 07:08 UTCVendor advisory
  10. 2026-08-15 07:08 UTCGHSA enrichment
  11. 2026-08-15 01:30 UTCEPSS rescore
  12. 2026-08-14 19:19 UTCVendor advisory
  13. 2026-08-14 19:19 UTCGHSA enrichment
  14. 2026-08-14 17:45 UTCVendor advisory
  15. 2026-08-14 17:45 UTCGHSA enrichment
  16. 2026-08-14 05:43 UTCEG score recompute
  17. 2026-08-14 05:43 UTCVendor advisory
  18. 2026-08-14 05:43 UTCGHSA enrichment
  19. 2026-08-13 22:00 UTCEPSS rescore
  20. 2026-08-13 17:55 UTCVendor advisory
  21. 2026-08-13 17:55 UTCGHSA enrichment
  22. 2026-08-13 06:07 UTCVendor advisory
  23. 2026-08-13 06:07 UTCGHSA enrichment
  24. 2026-08-12 18:19 UTCEG score recompute
  25. 2026-08-12 18:19 UTCVendor advisory
  26. 2026-08-12 18:19 UTCGHSA enrichment
  27. 2026-08-12 17:51 UTCEG score recompute
  28. 2026-08-12 17:51 UTCVendor advisory
  29. 2026-08-12 17:51 UTCGHSA enrichment
  30. 2026-08-12 16:35 UTCEG score recompute
  31. 2026-08-12 16:35 UTCVendor advisory
  32. 2026-08-12 16:35 UTCGHSA enrichment
  33. 2026-08-12 16:03 UTCEG score recompute
  34. 2026-08-12 16:03 UTCVendor advisory
  35. 2026-08-12 16:03 UTCGHSA enrichment
  36. 2026-08-12 13:50 UTCEPSS rescore
  37. 2026-08-12 07:07 UTCVendor advisory
  38. 2026-08-12 07:07 UTCGHSA enrichment
  39. 2026-08-11 19:18 UTCEG score recompute
  40. 2026-08-11 19:18 UTCVendor advisory
  41. 2026-08-11 19:18 UTCGHSA enrichment
  42. 2026-08-11 19:04 UTCEG score recompute
  43. 2026-08-11 19:04 UTCVendor advisory
  44. 2026-08-11 19:04 UTCGHSA enrichment
  45. 2026-08-11 17:22 UTCEG score recompute
  46. 2026-08-11 17:22 UTCVendor advisory
  47. 2026-08-11 17:21 UTCGHSA enrichment
  48. 2026-08-11 13:42 UTCEPSS rescore
  49. 2026-08-11 05:23 UTCEG score recompute
  50. 2026-08-11 05:23 UTCGHSA enrichment
  51. 2026-08-11 05:08 UTCEG score recompute
  52. 2026-08-11 05:08 UTCGHSA enrichment
  53. 2026-08-10 21:31 UTCEG score recompute
  54. 2026-08-10 20:55 UTCEG score recompute
  55. 2026-08-10 20:54 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-18951?
CVE-2026-18951 is a high vulnerability published on August 10, 2026. A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and…
When was CVE-2026-18951 disclosed?
CVE-2026-18951 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18951 actively exploited?
CVE-2026-18951 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.2% of all scored CVEs.
What is the CVSS score of CVE-2026-18951?
CVE-2026-18951 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-18951?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18951, 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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