CVE-2026-9336

published 2026-09-10

CVE-2026-9336: 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…

Priority P3 41 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
ibm	websphere_application_server	—	—
ibm	websphere_application_server	—	—
ibm	websphere_application_server	>= 8.5.0.0 < 8.5.5.31	8.5.5.31
ibm	websphere_application_server	>= 9.0.0.0 < 9.0.5.29	9.0.5.29

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-306