LogStash Remote Code Execution Vulnerability CVSS 8.1
Summary
LogStash RCE Vulnerability, CVSS 8.1, 8th Apr
What changed
CERT-Bund published security advisory WID-SEC-2026-1025 detailing a critical remote code execution vulnerability in LogStash. Affected versions include Open Source LogStash below 8.19.14, 9.2.8, and 9.3.3. The vulnerability carries a CVSS Base Score of 8.1 (high severity) and enables remote anonymous attackers to write arbitrary files or execute arbitrary code with the privileges of the LogStash service.
Organizations running affected LogStash deployments face immediate risk of system compromise. Security teams should prioritize patching to the latest versions or apply mitigations. The advisory confirms mitigations are available, though specific measures should be obtained from official LogStash/security channels.
What to do next
- Identify all LogStash instances in the environment
- Update LogStash to version 8.19.14, 9.2.8, 9.3.3 or later
- Implement available mitigations if immediate patching is not feasible
Archived snapshot
Apr 10, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
[WID-SEC-2026-1025] LogStash: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit den Rechten des Dienstes CVSS Base Score 8.1 (hoch) CVSS Temporal Score 7.1 (hoch) Remoteangriff ja Datum 08.04.2026 Stand 09.04.2026 Mitigation ja
Betroffene Systeme
Betriebssystem
- Sonstiges
- UNIX
Produktbeschreibung
Logstash ist eine Software zur simultanen Verarbeitung von Datenströmen aus unterschiedlichen Quellen.
Produkte
08.04.2026
- Open Source LogStash <8.19.14
Open Source LogStash <9.2.8
Open Source LogStash <9.3.3
Angriff
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in LogStash ausnutzen, um beliebige Dateien zu schreiben oder möglicherweise beliebigen Code auszuführen. CVE Informationen Versionshistorie Feedback zum Advisory geben
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Source
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