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.
CVE-2026-9320
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.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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 computedSeverity75% × 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, 2026Security 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/7276579Vendor 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.
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 09:38 UTCEPSS rescore
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-06 13:48 UTCEPSS rescore
- 2026-09-05 15:31 UTCEPSS rescore
- 2026-09-04 05:07 UTCEPSS rescore
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 04:40 UTCEPSS rescore
- 2026-08-30 20:33 UTCEG score recompute
- 2026-08-30 20:33 UTCGHSA enrichment
- 2026-08-30 19:18 UTCEPSS rescore
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 21:42 UTCEPSS rescore
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-26 14:47 UTCEPSS rescore
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-24 22:14 UTCEG score recompute
- 2026-08-24 22:14 UTCGHSA enrichment
- 2026-08-24 14:18 UTCEPSS rescore
- 2026-08-24 06:49 UTCGHSA enrichment
- 2026-08-23 17:34 UTCGHSA enrichment
- 2026-08-23 04:23 UTCEG score recompute
- 2026-08-23 04:23 UTCGHSA enrichment
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- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 15:11 UTCEG score recompute
- 2026-08-22 15:11 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 23:31 UTCGHSA enrichment
- 2026-08-21 10:15 UTCEG score recompute
- 2026-08-21 10:15 UTCGHSA enrichment
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-20 21:03 UTCGHSA enrichment
- 2026-08-20 07:51 UTCEG score recompute
- 2026-08-20 07:51 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 04:52 UTCEG score recompute
- 2026-08-19 04:52 UTCGHSA enrichment
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 13:34 UTCGHSA enrichment
- 2026-08-17 00:23 UTCEG score recompute
- 2026-08-17 00:23 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 11:10 UTCEG score recompute
- 2026-08-16 11:10 UTCGHSA enrichment
- 2026-08-16 02:15 UTCEPSS rescore
- 2026-08-15 21:59 UTCGHSA enrichment
- 2026-08-15 08:48 UTCEG score recompute
- 2026-08-15 08:48 UTCGHSA enrichment
- 2026-08-15 01:31 UTCEPSS rescore
- 2026-08-14 17:28 UTCGHSA enrichment
- 2026-08-14 03:55 UTCEG score recompute
- 2026-08-14 03:55 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 14:44 UTCGHSA enrichment
- 2026-08-13 01:32 UTCEG score recompute
- 2026-08-13 01:32 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-12 12:21 UTCGHSA enrichment
- 2026-08-11 23:03 UTCEG score recompute
- 2026-08-11 23:03 UTCGHSA enrichment
- 2026-08-11 13:43 UTCEPSS rescore
- 2026-08-11 09:52 UTCEG score recompute
- 2026-08-11 09:52 UTCGHSA enrichment
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 20:41 UTCGHSA enrichment
- 2026-08-10 07:30 UTCGHSA enrichment
- 2026-08-09 18:18 UTCEG score recompute
- 2026-08-09 18:18 UTCGHSA enrichment
- 2026-08-09 13:47 UTCEPSS rescore
- 2026-08-09 05:07 UTCEG score recompute
- 2026-08-09 05:07 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 15:56 UTCGHSA enrichment
- 2026-08-08 02:44 UTCEG score recompute
- 2026-08-08 02:44 UTCGHSA enrichment
- 2026-08-07 16:30 UTCEPSS rescore
- 2026-08-07 13:33 UTCGHSA enrichment
- 2026-08-07 00:22 UTCEG score recompute
- 2026-08-07 00:22 UTCGHSA enrichment
- 2026-08-06 13:47 UTCEPSS rescore
- 2026-08-06 11:08 UTCGHSA enrichment
- 2026-08-05 21:57 UTCEG score recompute
- 2026-08-05 21:57 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 08:46 UTCGHSA enrichment
- 2026-08-04 18:30 UTCEG score recompute
- 2026-08-04 18:30 UTCGHSA enrichment
- 2026-08-04 15:10 UTCEPSS rescore
- 2026-08-04 10:39 UTCEPSS rescore
- 2026-08-04 05:14 UTCGHSA enrichment
- 2026-08-03 16:02 UTCEG score recompute
- 2026-08-03 16:02 UTCGHSA enrichment
- 2026-08-03 10:36 UTCEPSS rescore
- 2026-08-03 02:51 UTCGHSA enrichment
- 2026-08-02 13:40 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2026-9320?
When was CVE-2026-9320 disclosed?
Is CVE-2026-9320 actively exploited?
What is the CVSS score of CVE-2026-9320?
How do I remediate CVE-2026-9320?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-9320
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