CVSS: 8.1EPSS: 0%CPEs: 1EXPL: 0CVE-2026-33466 – Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitrary File Write
https://notcve.org/view.php?id=CVE-2026-33466
08 Apr 2026 — Improper Limitation of a Pathname to a Restricted Directory (CWE-22) in Logstash can lead to arbitrary file write and potentially remote code execution via Relative Path Traversal (CAPEC-139). The archive extraction utilities used by Logstash do not properly validate file paths within compressed archives. An attacker who can serve a specially crafted archive to Logstash through a compromised or attacker-controlled update endpoint can write arbitrary files to the host filesystem with the privileges of the Lo... • https://discuss.elastic.co/t/logstash-8-19-14-9-2-8-9-3-3-security-update-esa-2026-29/385816 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •
CVSS: 6.5EPSS: 0%CPEs: 3EXPL: 0CVE-2025-37730 – Logstash Improper Certificate Validation in TCP output
https://notcve.org/view.php?id=CVE-2025-37730
06 May 2025 — Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set. • https://discuss.elastic.co/t/logstash-8-17-6-8-18-1-and-9-0-1-security-update-esa-2025-08/377869 • CWE-295: Improper Certificate Validation •
CVSS: 8.4EPSS: 0%CPEs: 2EXPL: 0CVE-2023-46672 – Logstash Insertion of Sensitive Information into Log File
https://notcve.org/view.php?id=CVE-2023-46672
15 Nov 2023 — An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances. The prerequisites for the manifestation of this issue are: * Logstash is configured to log in JSON format https://www.elastic.co/guide/en/logstash/current/running-logstash-command-line.html , which is not the default logging format. * Sensitive data is stored in the Logstash keystore and referenced as a variable in Logstash configuration. Elastic identificó un problema por el cual se r... • https://discuss.elastic.co/t/logstash-8-11-1-security-update-esa-2023-26/347191 • CWE-532: Insertion of Sensitive Information into Log File •