CVE-2026-41857: BOSH CLI Shell Injection
A compromised or malicious BOSH Director can execute arbitrary shell commands on the operator's workstation when the operator runs bosh ssh (or bosh scp/bosh logs -f) with default flags. Affected versions: BOSH CLI versions prior to 7.10.5.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
bosh clito a version that resolves this vulnerability.Fixed in 7.10.5 - Compensating control
Avoid running `bosh ssh`, `bosh scp`, or `bosh logs -f` with default flags on a compromised environment until the BOSH CLI is upgraded.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-41857?
CVE-2026-41857 has a severity rating of high with a score of 7.8.
How do I fix CVE-2026-41857?
To mitigate CVE-2026-41857, upgrade to BOSH CLI version 7.10.5 or later.
What type of vulnerability is CVE-2026-41857?
CVE-2026-41857 is classified as an OS Command Injection vulnerability.
What is the impact of CVE-2026-41857?
CVE-2026-41857 allows a compromised BOSH Director to execute arbitrary shell commands on the operator's workstation.
Which versions of BOSH CLI are affected by CVE-2026-41857?
BOSH CLI versions prior to 7.10.5 are affected by CVE-2026-41857.