CVE-2026-41861

medium

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").

References

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

Details

Source: Mitre, NVD

Published: 2026-08-06

Updated: 2026-08-07

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:A/AC:H/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 4.2

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

Severity: Medium

EPSS

EPSS: 0.00152