CVE-2026-41857
BOSH CLI Shell Injection
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.
INFO
Published Date :
July 9, 2026, 6:16 a.m.
Last Modified :
July 13, 2026, 1:37 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.0 | HIGH | dcf2e128-44bd-42ed-91e8-88f912c1401d | ||||
| CVSS 3.0 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | dcf2e128-44bd-42ed-91e8-88f912c1401d | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update BOSH CLI to version 7.10.5 or newer.
- Avoid using bosh ssh, scp, or logs with default flags.
- Ensure BOSH Director is trusted and not compromised.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-41857.
| URL | Resource |
|---|---|
| https://www.cloudfoundry.org/blog/cve-2026-41857-bosh-cli-shell-injection/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-41857 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-41857
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41857 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-41857 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 13, 2026
Action Type Old Value New Value Added CWE CWE-78 Added CPE Configuration OR *cpe:2.3:a:cloudfoundry:bosh_cli:*:*:*:*:*:*:*:* versions up to (excluding) 7.10.5 Added Reference Type VMware: https://www.cloudfoundry.org/blog/cve-2026-41857-bosh-cli-shell-injection/ Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 09, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-41857', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-09T14:11:40.867685Z'} -
New CVE Received by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'CloudFoundry BOSH', 'product': 'BOSH CLI', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '7.10.5', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added Reference https://www.cloudfoundry.org/blog/cve-2026-41857-bosh-cli-shell-injection/