CVE-2026-9320

HIGHNVD 7.55.9▼
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2026-06-22. NVD baseline CVSS 7.5; sources differ by 1.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 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
5.9(medium)
EPSS
24.2%
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 19× in last 7d / 45× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 11:24 UTCEG score recompute
  3. 2026-07-06 11:24 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 13:36 UTCEG score recompute
  6. 2026-07-05 13:36 UTCGHSA enrichment
  7. 2026-07-05 02:31 UTCEPSS rescore
  8. 2026-07-04 15:50 UTCEG score recompute
  9. 2026-07-04 15:49 UTCGHSA enrichment
  10. 2026-07-03 17:57 UTCEG score recompute
  11. 2026-07-03 17:57 UTCGHSA enrichment
  12. 2026-07-02 20:08 UTCEG score recompute
  13. 2026-07-02 20:08 UTCGHSA enrichment
  14. 2026-07-01 22:22 UTCEG score recompute
  15. 2026-07-01 22:22 UTCGHSA enrichment
  16. 2026-07-01 15:07 UTCEPSS rescore
  17. 2026-07-01 00:05 UTCEG score recompute
  18. 2026-07-01 00:05 UTCGHSA enrichment
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-30 02:17 UTCEG score recompute
  21. 2026-06-30 02:16 UTCGHSA enrichment
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-29 04:30 UTCEG score recompute
  24. 2026-06-29 04:30 UTCGHSA enrichment
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 20 more
  1. 2026-06-28 06:40 UTCEG score recompute
  2. 2026-06-28 06:40 UTCGHSA enrichment
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 08:54 UTCEG score recompute
  5. 2026-06-27 08:54 UTCGHSA enrichment
  6. 2026-06-27 03:08 UTCEPSS rescore
  7. 2026-06-26 11:08 UTCEG score recompute
  8. 2026-06-26 11:07 UTCGHSA enrichment
  9. 2026-06-25 13:50 UTCEPSS rescore
  10. 2026-06-25 11:08 UTCEG score recompute
  11. 2026-06-25 11:08 UTCGHSA enrichment
  12. 2026-06-24 14:05 UTCEPSS rescore
  13. 2026-06-24 13:21 UTCEG score recompute
  14. 2026-06-24 13:21 UTCGHSA enrichment
  15. 2026-06-24 12:00 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  16. 2026-06-23 21:33 UTCEPSS rescore
  17. 2026-06-23 15:35 UTCEG score recompute
  18. 2026-06-23 15:34 UTCGHSA enrichment
  19. 2026-06-22 17:48 UTCEG score recompute
  20. 2026-06-22 17:45 UTCNVD updatefirst tracked

Related CVEs(same CWE)

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 24.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9320?
CVE-2026-9320 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.9.
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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