Vulnerability · Published May 27, 2026 · Assigned by ibm

CVE-2026-4410IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a denial of service

Medium 4.8

In plain English

A medium-severity uncontrolled resource consumption in WebSphere Application Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)4.8Medium

Exploit odds (30 days)0.5%top 56.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM WebSphere Application Server - Liberty 19.0.0.7 through 26.0.0.5 and IBM WebSphere Application Server 9.0, and 8.5 and WebSphere Application Server Liberty 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.

Affected products (as reported)

Vendor	Product	Versions
IBM	WebSphere Application Server - Liberty	19.0.0.7 – through 26.0.0.5
IBM	WebSphere Application Server	9.08.5

Weakness: CWE-400 · Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://www.ibm.com/support/pages/node/7273424 vendor-advisory, patch