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Change History

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").

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

CWE-22

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

[{"vendor":"CloudFoundry Foundation","product":"BOSH","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"2.847.0","versionType":"custom","status":"affected"}]}]