Terraform WinDNS Provider improperly sanitizes input variables in `windns_record`
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-77.
Summary
Terraform WinDNS Provider allows users to manage their Windows DNS server resources through Terraform. A security issue has been found in Terraform WinDNS Provider before version `1.0.5`. The `windns_record` resource did not sanitize the input variables. This could lead to authenticated command injection in the underlyding powershell command prompt. Version 1.0.5 contains a fix for the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nrkno | terraform-provider-windns | up to 1.0.4 | — | No fix listed | CNA |
| — | github.com/nrkno/terraform-provider-windns (Go) | up to 1.0.4 | — | No fix listed | GHSA-4vgf-2cm4-mp7c |
- terraform-provider-windns Vendornrkno Affected up to 1.0.4 Fixed in — No fix listed CNA
- github.com/nrkno/terraform-provider-windns (Go) Vendor— Affected up to 1.0.4 Fixed in — No fix listed GHSA-4vgf-2cm4-mp7c
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46735
- 2026-10-03 Alias added: GHSA-4vgf-2cm4-mp7c
References
Sources
- CVE-2025-46735 · CVE Program
- CVE-2025-46735 · NVD
- FIRST EPSS
- GHSA-4vgf-2cm4-mp7c · GitHub Advisory Database · CC BY 4.0
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