CVE-2026-9336CWE-306

CVE-2026-9336

Medium · published September 10, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
55.2
In the wild
Unconfirmed
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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00772 · 55.2th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-09-10T23:17Z
Affected products (2)
ProductVersionsFixed in
ibm/websphere_application_server≥ 8.5.0.0, < 8.5.5.318.5.5.31
ibm/websphere_application_server≥ 9.0.0.0, < 9.0.5.299.0.5.29
References (1)
https://www.ibm.com/support/pages/node/7286610 · [email protected]
EPSS history
Timeline
  • 12 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 10 SEP 18:45Z
    IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
    cvelistv5