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CVE-20XX-?

CVE-2026-9336

6.5 MEDIUM 0.8% exploit odds Fix listed Auth & access Server

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of service disruption.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-09-10 19:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-16 18:15 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-10 19:17 UTC
Last modified: 2026-09-16 18:15 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-306 · Missing authentication
Record status: Analyzed

Affected

IBM Websphere Application Server < 8.5.5.31
IBM Websphere Application Server < 9.0.5.29

Attack profile CVSS 3.1 · 6.5

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Meme: I wake up, CVE-2026-9336

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Fix and advisories

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

References

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

NVD record · CVE.org record