CVE-2026-41861

Published: Aug 6, 2026Modified: Oct 23, 2026

4.2

Vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Exploitability: 1.6 / Impact: 2.5

Source: security@vmware.com (Secondary)

Description

Path Traversal in BOSH-Ecosystem / BOSH allows an IaaS-metadata attacker to make the agent write a root-owned file with partially attacker-controlled body to any path ending in .network, and create any missing parent directories with mode 0777 via network Alias on Ubuntu. Affected versions: BOSH agent < v2.847.0 (jammy <= v1.1202, or noble <= v1.364). Lower bound unspecified in advisory ("All bosh agent versions").

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://www.cloudfoundry.org/blog/cve-2026-41861-arbitrary-root-file-write-via-path-traversal-in-bosh-agent/

Source: security@vmware.com

Timeline

No history available yet.