CVE-2026-9320

HIGHNVD 7.57.5
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 55% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

June 22, 2026

Last Modified

June 23, 2026

Advisory Details (1)

Auto-updated Jun 22, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)

https://www.ibm.com/support/pages/node/7276579

Vendor Advisories for CVE-2026-9320(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 6× in last 7d / 60× 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 188 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9320?
CVE-2026-9320 is a high vulnerability published on June 22, 2026. IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory…
When was CVE-2026-9320 disclosed?
CVE-2026-9320 was first published in the National Vulnerability Database on June 22, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9320 actively exploited?
CVE-2026-9320 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 54.9% of all scored CVEs.
What is the CVSS score of CVE-2026-9320?
CVE-2026-9320 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-9320?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9320, 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-2026-9320

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