CVE-2026-41857 BOSH CLI Shell Injection
A malicious BOSH Director can execute arbitrary shell commands on an operator's workstation when they run standard CLI commands like ssh or logs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-41857?
CVE-2026-41857 is a high-severity command injection vulnerability in CloudFoundry BOSH BOSH CLI, published on 9 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-41857?
It affects 1 product.
Products include Cloudfoundry Bosh Cli.
How do I fix CVE-2026-41857?
No fix has been published for CVE-2026-41857 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-41857 being exploited?
There is no known exploitation of CVE-2026-41857 in the wild and no public exploit code.
Other vulnerabilities in CloudFoundry BOSH BOSH CLI
- CVE-2026-47828 Missing TLS Certificate Verification in BOSH CLI Allows Root Code Execution via Man-in-the-Middle Credential Replay
- CVE-2026-47826 blobs.yaml Path Traversal Allows File Writes
- CVE-2026-47829 Argument Injection in BOSH CLI Allows Local Command Execution on Operator Workstations via Compromised Director
Sources
Also known as GHSA-xf9x-r7gm-j3j6.