bpg terraform-provider-proxmox up to 0.93.0 SSH Configuration insecure default initialization of resource

Summaryinfo

A vulnerability, which was classified as problematic, has been found in bpg terraform-provider-proxmox up to 0.93.0. Affected by this vulnerability is an unknown functionality of the component SSH Configuration Handler. This manipulation causes insecure default initialization of resource. This vulnerability appears as CVE-2026-25499. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in bpg terraform-provider-proxmox up to 0.93.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component SSH Configuration Handler. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. The CWE definition for the vulnerability is CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. As an impact it is known to affect integrity. The summary by CVE is:

Terraform / OpenTofu Provider adds support for Proxmox Virtual Environment. Prior to version 0.93.1, in the SSH configuration documentation, the sudoer line suggested is insecure and can result in escaping the folder using ../, allowing any files on the system to be edited. This issue has been patched in version 0.93.1.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-25499 since 02/02/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.93.1 eliminates this vulnerability. Applying the patch bd604c41a31e2a55dd6acc01b0608be3ea49c023 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-6103). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• bpg

Name

• terraform-provider-proxmox

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34
• 0.35
• 0.36
• 0.37
• 0.38
• 0.39
• 0.40
• 0.41
• 0.42
• 0.43
• 0.44
• 0.45
• 0.46
• 0.47
• 0.48
• 0.49
• 0.50
• 0.51
• 0.52
• 0.53
• 0.54
• 0.55
• 0.56
• 0.57
• 0.58
• 0.59
• 0.60
• 0.61
• 0.62
• 0.63
• 0.64
• 0.65
• 0.66
• 0.67
• 0.68
• 0.69
• 0.70
• 0.71
• 0.72
• 0.73
• 0.74
• 0.75
• 0.76
• 0.77
• 0.78
• 0.79
• 0.80
• 0.81
• 0.82
• 0.83
• 0.84
• 0.85
• 0.86
• 0.87
• 0.88
• 0.89
• 0.90
• 0.91
• 0.92
• 0.93.0

License

• open-source

Website

• Product: https://github.com/bpg/terraform-provider-proxmox/

CPE 2.3info

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