CVE-2026-9320

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%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%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
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 14× in last 7d / 55× 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.

  1. 2026-07-27 21:16 UTCEG score recompute
  2. 2026-07-27 21:16 UTCGHSA enrichment
  3. 2026-07-27 14:14 UTCEPSS rescore
  4. 2026-07-27 06:29 UTCGHSA enrichment
  5. 2026-07-26 16:00 UTCEG score recompute
  6. 2026-07-26 16:00 UTCGHSA enrichment
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-25 14:18 UTCEPSS rescore
  9. 2026-07-24 14:18 UTCEPSS rescore
  10. 2026-07-23 14:18 UTCEPSS rescore
  11. 2026-07-23 03:23 UTCEG score recompute▲ 1.60
  12. 2026-07-22 14:08 UTCEPSS rescore
  13. 2026-07-21 15:25 UTCEPSS rescore
  14. 2026-07-21 15:25 UTCEPSS rescore
  15. 2026-07-20 17:08 UTCEPSS rescore
  16. 2026-07-19 14:31 UTCEPSS rescore
  17. 2026-07-19 02:29 UTCEPSS rescore
  18. 2026-07-18 10:04 UTCEPSS rescore
  19. 2026-07-16 17:03 UTCEPSS rescore
  20. 2026-07-16 11:54 UTCGHSA enrichment
  21. 2026-07-15 16:57 UTCEPSS rescore
  22. 2026-07-15 14:07 UTCGHSA enrichment
  23. 2026-07-15 02:00 UTCEPSS rescore
  24. 2026-07-14 15:59 UTCGHSA enrichment
  25. 2026-07-13 22:31 UTCEPSS rescore
Show 44 more
  1. 2026-07-13 18:12 UTCGHSA enrichment
  2. 2026-07-13 06:13 UTCEPSS rescore
  3. 2026-07-12 20:17 UTCGHSA enrichment
  4. 2026-07-12 05:46 UTCEPSS rescore
  5. 2026-07-11 22:30 UTCGHSA enrichment
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-11 00:44 UTCGHSA enrichment
  8. 2026-07-10 02:57 UTCGHSA enrichment
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-09 05:06 UTCGHSA enrichment
  11. 2026-07-08 15:16 UTCEPSS rescore
  12. 2026-07-08 07:19 UTCGHSA enrichment
  13. 2026-07-07 13:46 UTCEPSS rescore
  14. 2026-07-07 09:12 UTCGHSA enrichment
  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 11:24 UTCGHSA enrichment
  17. 2026-07-06 02:23 UTCEPSS rescore
  18. 2026-07-05 13:36 UTCGHSA enrichment
  19. 2026-07-05 02:31 UTCEPSS rescore
  20. 2026-07-04 15:49 UTCGHSA enrichment
  21. 2026-07-03 17:57 UTCGHSA enrichment
  22. 2026-07-02 20:08 UTCGHSA enrichment
  23. 2026-07-01 22:22 UTCGHSA enrichment
  24. 2026-07-01 15:07 UTCEPSS rescore
  25. 2026-07-01 00:05 UTCGHSA enrichment
  26. 2026-06-30 23:22 UTCEPSS rescore
  27. 2026-06-30 02:16 UTCGHSA enrichment
  28. 2026-06-29 14:06 UTCEPSS rescore
  29. 2026-06-29 04:30 UTCGHSA enrichment
  30. 2026-06-28 14:07 UTCEPSS rescore
  31. 2026-06-28 06:40 UTCGHSA enrichment
  32. 2026-06-28 04:56 UTCEPSS rescore
  33. 2026-06-27 08:54 UTCGHSA enrichment
  34. 2026-06-27 03:08 UTCEPSS rescore
  35. 2026-06-26 11:07 UTCGHSA enrichment
  36. 2026-06-25 13:50 UTCEPSS rescore
  37. 2026-06-25 11:08 UTCGHSA enrichment
  38. 2026-06-24 14:05 UTCEPSS rescore
  39. 2026-06-24 13:21 UTCGHSA enrichment
  40. 2026-06-24 12:00 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  41. 2026-06-23 21:33 UTCEPSS rescore
  42. 2026-06-23 15:34 UTCGHSA enrichment
  43. 2026-06-22 17:48 UTCEG score recompute
  44. 2026-06-22 17:45 UTCNVD updatefirst tracked

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 0% probability of exploitation in the next 30 days, which ranks it in the top 72.5% 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

Explore →

Is Your Infrastructure Affected by CVE-2026-9320?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs