Vulnerability · Published Sep 14, 2026 · Assigned by ibm

CVE-2026-15887IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

Medium 5.4

In plain English

A medium-severity server-side request forgery 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 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 83.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM WebSphere Application Server 9.0, and 8.5 is affected by blind server-side request forgery when processing SOAP requests.

Affected products (as reported)

Vendor	Product	Versions
IBM	WebSphere Application Server	9.08.5

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

https://www.ibm.com/support/pages/node/7286610 vendor-advisory, patch