CVE-2026-9336
highpriority · track · 30OT risk · elevatedEPSS 0.008 · 55 %ileDEUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- IBM WebSphere Service Registry and Repositoryall versionscert_bundDEcpe:/a:ibm:websphere_service_registry_and_repository:-
- ibm websphere application server8.5.0.0 → 8.5.5.31nvdUScpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
- ibm websphere application server9.0.0.0 → 9.0.5.29nvdUScpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3255IBM WebSphere Application Server: Mehrere SchwachstellenDeutsch2026-09-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM WebSphere Application Server ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Berechtigungen zu erweitern, vertrauliche Informationen offenzulegen, Daten zu manipulieren, Cross-Site-Scripting-Angriffe durchzuführen oder Denial-of-Service-Zustände herbeizuführen.
sources
Which sources assert this record, and when.
references (1) nvd
External citations — patches, advisories, analysis.
- https://www.ibm.com/support/pages/node/7286610PatchVendor Advisory
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan