🛡️ CVE-2026-9071 — websphere-application-server

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-400 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-9071 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2026-9071 is recorded against 1 package.

  • websphere-application-server (from 17.0.0.3 up to 26.0.0.7)

Timeline and source

Published on 22 June 2026 and last revised on 23 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.ibm.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ✅ No
Source NVD
Published 2026-06-22
Updated 2026-08-11
Modified 2026-06-23
Fix URL N/A

Affected Packages

Software From version Fixed in
websphere-application-server 17.0.0.3 26.0.0.7

Similar Threats

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