CVE-2026-41861
Arbitrary Root File Write via Path Traversal in BOSH agent
CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th
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").
| CWE | CWE-22 |
| Vendor | cloudfoundry foundation |
| Product | bosh |
| Published | Aug 6, 2026 |
| Last Updated | Aug 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Affected Versions
CloudFoundry Foundation / BOSH
0 < 2.847.0