Cloud Foundry bosh-windows-stemcell-builder up to 2019.97 Permission Assignment BOSH.Utils.psm1 permission assignment

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cloud Foundry bosh-windows-stemcell-builder up to 2019.97 and classified as very critical. Affected by this vulnerability is an unknown functionality of the file BOSH.Utils.psm1 of the component Permission Assignment. The manipulation leads to permission assignment. This vulnerability is referenced as CVE-2026-47830. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cloud Foundry bosh-windows-stemcell-builder up to 2019.97. It has been rated as very critical. This issue affects an unknown part of the file BOSH.Utils.psm1 of the component Permission Assignment. The manipulation with an unknown input leads to a permission assignment vulnerability. Using CWE to declare the problem leads to CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\bosh\service_wrapper.exe or C:\bosh\bosh-agent.exe and gain NT AUTHORITY\SYSTEM on the next service restart or reboot. This can lead to full host control. Affected versions: bosh-windows-stemcell-builder versions prior to v2019.98.

It is possible to read the advisory at cloudfoundry.org. The identification of this vulnerability is CVE-2026-47830 since 05/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/09/2026).

Upgrading to version 2019.98 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: bosh-windows-stemcell-builder 2019.98

Timelineinfo

05/20/2026 CVE reserved
07/09/2026 +50 days Advisory disclosed
07/09/2026 +0 days VulDB entry created
07/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: cloudfoundry.org
Status: Confirmed

CVE: CVE-2026-47830 (🔒)
GCVE (CVE): GCVE-0-2026-47830
GCVE (VulDB): GCVE-100-377135

Entryinfo

Created: 07/09/2026 09:22
Changes: 07/09/2026 09:22 (55)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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