CVE-2026-8633

CRITICAL EPSS 53.5%
Published May 26, 20261mo ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published May 26, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
53.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

Affected Products 4

VendorProductVersionRange
ibmwebsphere_application_server*≥8.5.0.0  –  ≤8.5.5.29
ibmwebsphere_application_server*≥8.5.0.0  –  ≤8.5.5.29
ibmwebsphere_application_server*≥9.0.0.0  –  ≤9.0.5.27
ibmwebsphere_application_server*≥9.0.0.0  –  ≤9.0.5.27

References 1

  • ibm.com https://www.ibm.com/support/pages/node/7274072
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.