CVE-2026-17499

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.1% (1st percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 7.8Exploit: None knownExposed services: Not assessed

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

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
35
EG Risk 35/100CISA SSVC

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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 4, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i is Affected By Multiple Vulnerabilities in Debug Server

https://www.ibm.com/support/pages/node/7285844

Vendor Advisories for CVE-2026-17499(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 27× in last 7d / 104× 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 104 total refreshes for this CVE.

  1. 2026-10-04 08:07 UTCGHSA enrichment
  2. 2026-10-03 19:23 UTCEG score recompute
  3. 2026-10-03 19:23 UTCGHSA enrichment
  4. 2026-10-03 14:25 UTCEPSS rescore
  5. 2026-10-03 06:55 UTCGHSA enrichment
  6. 2026-10-02 18:27 UTCGHSA enrichment
  7. 2026-10-02 18:27 UTCEG score recompute
  8. 2026-10-02 18:27 UTCGHSA enrichment
  9. 2026-10-02 05:59 UTCEG score recompute
  10. 2026-10-02 05:59 UTCGHSA enrichment
  11. 2026-10-01 19:49 UTCEPSS rescore
  12. 2026-10-01 16:24 UTCGHSA enrichment
  13. 2026-10-01 03:56 UTCGHSA enrichment
  14. 2026-09-30 15:27 UTCEG score recompute
  15. 2026-09-30 15:27 UTCGHSA enrichment
  16. 2026-09-30 15:02 UTCEPSS rescore
  17. 2026-09-30 02:41 UTCEG score recompute
  18. 2026-09-30 02:41 UTCGHSA enrichment
  19. 2026-09-29 15:20 UTCEPSS rescore
  20. 2026-09-29 09:15 UTCEG score recompute
  21. 2026-09-29 09:15 UTCGHSA enrichment
  22. 2026-09-28 20:38 UTCEG score recompute
  23. 2026-09-28 20:38 UTCGHSA enrichment
  24. 2026-09-28 13:51 UTCEPSS rescore
  25. 2026-09-28 04:58 UTCGHSA enrichment
Show 75 more
  1. 2026-09-27 16:30 UTCEG score recompute
  2. 2026-09-27 16:30 UTCGHSA enrichment
  3. 2026-09-27 13:47 UTCEPSS rescore
  4. 2026-09-27 04:02 UTCEG score recompute
  5. 2026-09-27 04:02 UTCGHSA enrichment
  6. 2026-09-26 15:58 UTCEPSS rescore
  7. 2026-09-26 15:21 UTCGHSA enrichment
  8. 2026-09-26 02:25 UTCEG score recompute
  9. 2026-09-26 02:25 UTCGHSA enrichment
  10. 2026-09-25 06:52 UTCGHSA enrichment
  11. 2026-09-24 18:24 UTCEG score recompute
  12. 2026-09-24 18:24 UTCGHSA enrichment
  13. 2026-09-24 05:44 UTCGHSA enrichment
  14. 2026-09-23 17:15 UTCEG score recompute
  15. 2026-09-23 17:15 UTCGHSA enrichment
  16. 2026-09-23 04:43 UTCGHSA enrichment
  17. 2026-09-22 16:13 UTCEG score recompute
  18. 2026-09-22 16:13 UTCGHSA enrichment
  19. 2026-09-22 03:45 UTCEG score recompute
  20. 2026-09-22 03:45 UTCGHSA enrichment
  21. 2026-09-21 15:14 UTCGHSA enrichment
  22. 2026-09-21 02:46 UTCEG score recompute
  23. 2026-09-21 02:46 UTCGHSA enrichment
  24. 2026-09-20 14:18 UTCGHSA enrichment
  25. 2026-09-20 01:50 UTCEG score recompute
  26. 2026-09-20 01:50 UTCGHSA enrichment
  27. 2026-09-19 13:22 UTCGHSA enrichment
  28. 2026-09-19 00:54 UTCEG score recompute
  29. 2026-09-19 00:54 UTCGHSA enrichment
  30. 2026-09-18 19:27 UTCEPSS rescore
  31. 2026-09-18 12:24 UTCGHSA enrichment
  32. 2026-09-17 23:56 UTCEG score recompute
  33. 2026-09-17 23:56 UTCGHSA enrichment
  34. 2026-09-17 11:07 UTCGHSA enrichment
  35. 2026-09-16 22:39 UTCEG score recompute
  36. 2026-09-16 22:39 UTCGHSA enrichment
  37. 2026-09-16 14:07 UTCEPSS rescore
  38. 2026-09-16 10:11 UTCEG score recompute
  39. 2026-09-16 10:11 UTCGHSA enrichment
  40. 2026-09-16 05:14 UTCEPSS rescore
  41. 2026-09-15 21:42 UTCGHSA enrichment
  42. 2026-09-15 09:14 UTCEG score recompute
  43. 2026-09-15 09:14 UTCGHSA enrichment
  44. 2026-09-14 20:46 UTCGHSA enrichment
  45. 2026-09-14 08:18 UTCGHSA enrichment
  46. 2026-09-13 19:50 UTCEG score recompute
  47. 2026-09-13 19:50 UTCGHSA enrichment
  48. 2026-09-13 16:46 UTCEPSS rescore
  49. 2026-09-13 07:22 UTCGHSA enrichment
  50. 2026-09-12 18:51 UTCEG score recompute
  51. 2026-09-12 18:51 UTCGHSA enrichment
  52. 2026-09-12 15:00 UTCEPSS rescore
  53. 2026-09-12 06:23 UTCGHSA enrichment
  54. 2026-09-11 17:55 UTCEG score recompute
  55. 2026-09-11 17:55 UTCGHSA enrichment
  56. 2026-09-11 14:52 UTCEPSS rescore
  57. 2026-09-11 09:36 UTCEPSS rescore
  58. 2026-09-11 05:27 UTCGHSA enrichment
  59. 2026-09-10 16:59 UTCEG score recompute
  60. 2026-09-10 16:59 UTCGHSA enrichment
  61. 2026-09-10 09:34 UTCEPSS rescore
  62. 2026-09-10 04:31 UTCGHSA enrichment
  63. 2026-09-09 16:03 UTCEG score recompute▲ 3.40
  64. 2026-09-09 16:03 UTCGHSA enrichment
  65. 2026-09-09 15:46 UTCNVD updateCVSS v3 → 7.8 · severity → HIGH
  66. 2026-09-08 22:00 UTCEPSS rescore
  67. 2026-09-08 15:14 UTCGHSA enrichment
  68. 2026-09-07 22:52 UTCGHSA enrichment
  69. 2026-09-06 21:28 UTCEG score recompute
  70. 2026-09-06 21:28 UTCGHSA enrichment
  71. 2026-09-06 13:47 UTCEPSS rescore
  72. 2026-09-05 20:03 UTCEG score recompute
  73. 2026-09-05 20:03 UTCGHSA enrichment
  74. 2026-09-04 18:39 UTCEG score recompute
  75. 2026-09-04 18:39 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-17499?
CVE-2026-17499 is a high vulnerability published on September 4, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
When was CVE-2026-17499 disclosed?
CVE-2026-17499 was first published on September 4, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17499 actively exploited?
CVE-2026-17499 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-17499?
CVE-2026-17499 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-17499?
No fix for CVE-2026-17499 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-17499 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-17499

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