CVE-2026-9336

HIGHNVD 7.57.5
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 68% 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 — 4 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 is vulnerable to a denial of service, caused by sending a specially-crafted HTTP request to an administrative endpoint. A remote attacker could exploit this vulnerability to cause the server to exhaust filesystem space.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

September 10, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Sep 10, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

https://www.ibm.com/support/pages/node/7286610

Vendor Advisories for CVE-2026-9336(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 29× in last 7d / 41× 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. 2026-09-20 23:38 UTCEG score recompute
  2. 2026-09-20 23:38 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 11:03 UTCGHSA enrichment
  5. 2026-09-19 22:28 UTCEG score recompute
  6. 2026-09-19 22:28 UTCGHSA enrichment
  7. 2026-09-19 09:53 UTCGHSA enrichment
  8. 2026-09-18 21:19 UTCEG score recompute
  9. 2026-09-18 21:19 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 08:22 UTCGHSA enrichment
  12. 2026-09-17 19:46 UTCEG score recompute
  13. 2026-09-17 19:46 UTCGHSA enrichment
  14. 2026-09-17 19:32 UTCEPSS rescore
  15. 2026-09-17 07:02 UTCGHSA enrichment
  16. 2026-09-16 18:27 UTCEG score recompute 1.00
  17. 2026-09-16 18:27 UTCGHSA enrichment
  18. 2026-09-16 18:22 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  19. 2026-09-16 14:33 UTCEG score recompute
  20. 2026-09-16 14:33 UTCGHSA enrichment
  21. 2026-09-16 14:09 UTCEPSS rescore
  22. 2026-09-16 05:15 UTCEPSS rescore
  23. 2026-09-15 15:29 UTCEG score recompute
  24. 2026-09-15 15:29 UTCGHSA enrichment
  25. 2026-09-15 03:12 UTCEPSS rescore
Show 16 more
  1. 2026-09-14 16:26 UTCEG score recompute
  2. 2026-09-14 16:26 UTCGHSA enrichment
  3. 2026-09-14 15:50 UTCEG score recompute
  4. 2026-09-14 15:50 UTCGHSA enrichment
  5. 2026-09-13 17:11 UTCEG score recompute
  6. 2026-09-13 17:11 UTCGHSA enrichment
  7. 2026-09-13 16:48 UTCEPSS rescore
  8. 2026-09-12 18:08 UTCEG score recompute
  9. 2026-09-12 18:08 UTCGHSA enrichment
  10. 2026-09-12 15:02 UTCEPSS rescore
  11. 2026-09-11 19:05 UTCEG score recompute
  12. 2026-09-11 19:04 UTCGHSA enrichment
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-10 19:18 UTCEG score recompute
  15. 2026-09-10 18:55 UTCEG score recompute
  16. 2026-09-10 18:54 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-9336?
CVE-2026-9336 is a high vulnerability published on September 10, 2026. IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a denial of service, caused by sending a specially-crafted HTTP request to an administrative endpoint. A remote attacker could exploit this vulnerability to cause the server to exhaust filesystem space.
When was CVE-2026-9336 disclosed?
CVE-2026-9336 was first published in the National Vulnerability Database on September 10, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9336 actively exploited?
CVE-2026-9336 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 67.6% of all scored CVEs.
What is the CVSS score of CVE-2026-9336?
CVE-2026-9336 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-9336?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9336, 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-2026-9336

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