CVE-2026-18071

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. A secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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 gain elevated privileges due to improper privilege management.

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 low or medium mission impact; Track* at high (mission-essential systems).
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
2nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

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 total (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

August 13, 2026

Last Modified

August 17, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i is Affected By An Improper Management Vulnerability in HTTP Server [CVE-2026-18071]

https://www.ibm.com/support/pages/node/7283579

Vendor Advisories for CVE-2026-18071(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 20× in last 7d / 91× 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 172 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18071?
CVE-2026-18071 is a high vulnerability published on August 13, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper privilege management.
When was CVE-2026-18071 disclosed?
CVE-2026-18071 was first published on August 13, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18071 actively exploited?
CVE-2026-18071 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18071?
CVE-2026-18071 has a CVSS base score of 7.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-18071?
No fix for CVE-2026-18071 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-2026-18071 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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