CVE-2026-41857: A compromised or malicious BOSH Director can execute arbitrary shell commands on the operator's workstation wh

Q: How do I fix CVE-2026-41857?

bosh cli: upgrade to 7.10.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-41857 being exploited?

CVE-2026-41857 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-41857 affect?

CVE-2026-41857 affects bosh cli. Severity is high (CVSS 7.8). 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.

Routine

HIGH 7.8UPGRADE

CVE-2026-41857 is a high-severity flaw (CVSS 7.8) affecting bosh cli. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-07-09
Last modified	2026-10-25

Publisher (CNA): VMware · Vendor: cloudfoundry

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-09 06:16 UTCPublished CVE record published
2026-10-25 17:10 UTCUpdated Record last modified

cloudfoundry bosh cli UPGRADE

Affected: < 7.10.5

Fixed in: 7.10.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bosh-cli || rpm -q bosh-cli || bosh-cli --version

2. UPGRADE to 7.10.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bosh-cli

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bosh-cli

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41857?

bosh cli: upgrade to 7.10.5. Exact commands for each OS are on this page.

Is CVE-2026-41857 being exploited?

CVE-2026-41857 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41857 affect?

CVE-2026-41857 affects bosh cli. Severity is high (CVSS 7.8). 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.

How urgent is CVE-2026-41857?

Priority 31/100. High severity

Related CVEs

CVE-2026-47826 CRITICAL 9.1 UPGRADE The blobs.yml path key traversal vulnerability in the BOSH CLI tool allows an attacker to write arbitrary file
CVE-2026-47829 HIGH 7.8 UPGRADE Argument Injection in bosh-cli allows a compromised BOSH Director to inject arbitrary OpenSSH options into the
CVE-2026-47828 HIGH 8.8 UPGRADE During bosh create-env and bosh delete-env, the CLI uploads compiled CPI packages and rendered job templates t

References

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