SB20260424173 - Unauthenticated path traversal in CrowdStrike LogScale

Description

This security bulletin contains information about 1 vulnerability.

1) Path traversal (CVE-ID: CVE-2026-40050)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to path traversal in a cluster API endpoint when handling crafted path input. A remote non-authenticated attacker can send a specially crafted request to disclose sensitive information and eventually compromise the affected system.

The issue affects self-hosted deployments, and the endpoint must be exposed for exploitation.

Remediation

Install update from vendor's website.

References

• https://www.crowdstrike.com/en-us/security-advisories/cve-2026-40050/