CVE-2026-15065

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-19. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 NIM could allow a remote attacker to bypass security restrictions due to the exposure of intermediate certificate authority private keys in a publicly available update file.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
41%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 20, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

Security Bulletin: Vulnerabilities in IBM AIX and PowerVM VIOS

https://www.ibm.com/support/pages/node/7283858

Vendor Advisories for CVE-2026-15065(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 50× in last 7d / 211× 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 232 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15065?
CVE-2026-15065 is a critical vulnerability published on August 19, 2026. IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 NIM could allow a remote attacker to bypass security restrictions due to the exposure of intermediate certificate authority private keys in a publicly available update file.
When was CVE-2026-15065 disclosed?
CVE-2026-15065 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15065 actively exploited?
CVE-2026-15065 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 59.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15065?
CVE-2026-15065 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-15065?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15065, 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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