CVE-2026-15078

HIGHPre-NVD 8.18.1
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-19. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: 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 gain unauthorized access to AIX systems due to improper validation of TLS certificates.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 20, 2026

Advisory Details (1)

Auto-updated Aug 19, 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-2026-15078(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 22× in last 7d / 107× 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 124 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15078?
CVE-2026-15078 is a high 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 gain unauthorized access to AIX systems due to improper validation of TLS certificates.
When was CVE-2026-15078 disclosed?
CVE-2026-15078 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-2026-15078 actively exploited?
CVE-2026-15078 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 85.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15078?
CVE-2026-15078 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-15078?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15078, 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-2026-15078

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