CVE-2026-33466 — Path Traversal in Logstash
Severity
8.1HIGHNVD
EPSS
0.4%
top 40.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 8
Description
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 privileg…
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9
Affected Packages1 packages
🔴Vulnerability Details
2CVEList▶
Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitrary File Write↗2026-04-08
GHSA▶
GHSA-w3rv-2cr7-p2wh: Improper Limitation of a Pathname to a Restricted Directory (CWE-22) in Logstash can lead to arbitrary file write and potentially remote code executio↗2026-04-08