CVE-2026-93895 IBM WebSphere Application Server Liberty Improper Access Control

What is CVE-2026-93895?

CVE-2026-93895 is a critical missing authorization vulnerability in Ibm Websphere Application Server, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.

Weakness: CWE-284

Which versions are affected by CVE-2026-93895?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2026-93895?

No fix has been published for CVE-2026-93895 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-93895 being exploited?

There is no known exploitation of CVE-2026-93895 in the wild and no public exploit code.

Other vulnerabilities in Ibm Websphere Application Server

• CVE-2015-1920 Code injection in n/a Critical 10.0
• CVE-2013-0462 Other in n/a Critical 10.0
• CVE-2011-1377 Security feature bypass in n/a Critical 10.0
• CVE-2010-3186 Other in n/a Critical 10.0
• CVE-2009-1899 Information disclosure in n/a Critical 10.0

All Ibm Websphere Application Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3r8m-rjq2-w53r.