Vulnerability · Published Jun 22, 2026 · Assigned by ibm

CVE-2026-10852Websphere Application Server is Affected By a Denial of Service

Medium 5.9

In plain English

A medium-severity null pointer dereference 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 41% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)0.5%top 58.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to denial of service in the WebSphere WebServer Plug-in component when an attacker can pass crafted requests to the web server.

Affected products (as reported)

Vendor	Product	Versions
IBM	WebSphere Application Server	8.59.0

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://www.ibm.com/support/pages/node/7276560 vendor-advisory, patch