CVE-2026-8858

Summary

IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.

Affected Software

VendorProductVersion RangeStatus
IBMi7.6.0 <= 1.8.4affected
IBMi7.5.0affected
IBMi7.4.0affected
IBMi7.3.0affected

Weaknesses

  • CWE-94: CWE-94 Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References