CVE-2026-41861
Arbitrary Root File Write via Path Traversal in BOSH agent
- State
- Published
- Severity
- 4.2 Medium
- Published
- Aug 6, 2026
- Updated
- Aug 7, 2026
- Reserved
- Apr 22, 2026
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").
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.2 Medium | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L | vmware |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
BOSHCloudFoundry Foundation |
|
References
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