Threat video1:00
CVE-2026-8633 IBM WebSphere Plug-in RCE: Detection & IOCs
Unauthenticated RCE in IBM's WebSphere plug-in, plus a request smuggling flaw. 9 detection rules, 14 IOCs, 10 ATT&CK techniques and a free Splunk SPL rule.
Read the full threat intel for CVE-2026-8633 IBM WebSphere Plug-in RCE: Detection & IOCs →
Chapters
- 0:00The hook9.8 critical RCE in WebSphere plug-ins.
- 0:04The storyLab reproduction: the native plug-in parsed malformed requests.
- 0:12Attack pathScanning identified vulnerability; code injection triggered execution.
- 0:28AttributionNo threat actor: this was defensive research.
- 0:33Indicators of compromise4 indicators to hunt: 3 file names and 1 package name.
- 0:38MITRE ATT&CK techniques10 ATT&CK techniques, from reconnaissance to command and control.
- 0:43Remediation3 steps now: Apply the IBM interim fix for APAR.
- 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript
0:009.8 critical RCE in WebSphere plug-ins.
0:05Lab reproduction: the native plug-in parsed malformed requests.
0:09Code injection triggered execution.
0:12Scanning identified vulnerability; code injection triggered execution.
0:17Configuration files and credentials discovered within the process.
0:22Command-and-control established; lateral movement into the backend.
0:29No threat actor: this was defensive research.
0:334 indicators to hunt: 3 file names and 1 package name.
0:3910 ATT&CK techniques, from reconnaissance to command and control.
0:443 steps now: Apply the IBM interim fix for APAR.
0:519 detection rules, in SPL, KQL and Sigma.
0:56Threadlinqs. The unified security engineering platform.