CVE Catalog

CVE-2026-41861

MediumCVSS 4.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.21%

11th percentile - higher than 11% of all known CVEs

Summary

Path Traversal vulnerability in BOSH-Ecosystem / BOSH allows an IaaS-metadata attacker to write a root-owned file with partially attacker-controlled body to any path ending in .network, and create missing parent directories with mode 0777 via network Alias on Ubuntu. Affects BOSH agent < v2.847.0 (jammy <= v1.1202, noble <= v1.364).

Risk Assessment

An attacker can achieve unauthorized write access to system files, potentially leading to privilege escalation or system integrity compromise.

Recommendation

Immediately upgrade BOSH agent to version 2.847.0 or later and restrict access to IaaS metadata.

Related vulnerabilities

Original NVD description (English source)

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").

Vulnerability data from NVD (NIST) · CISA KEV · EPSS