Dell Terraform Provider for PowerFlex up to 1.8.0 SSH client ssh.InsecureIgnoreHostKey certificate validation

Summaryinfo

A vulnerability, which was classified as problematic, was found in Dell Terraform Provider for PowerFlex up to 1.8.0. Affected by this issue is the function ssh.InsecureIgnoreHostKey of the component SSH client. Such manipulation leads to certificate validation. This vulnerability is referenced as CVE-2026-91880. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Dell Terraform Provider for PowerFlex up to 1.8.0 and classified as problematic. Affected by this issue is the function ssh.InsecureIgnoreHostKey of the component SSH client. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. CVE summarizes:

Dell Terraform Provider for PowerFlex, versions 1.5.0 through 1.8.0, contains an Improper Certificate Validation vulnerability in the SSH client component.Terraform PowerFlex provider uses ssh.InsecureIgnoreHostKey() as the default SSH host key callback. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information exposure and unauthorized access.

The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2026-91880 since 09/15/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/11/2026). The MITRE ATT&CK project declares the attack technique as T1587.003.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Dell

Name

• Terraform Provider for PowerFlex

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8.0

License

• commercial

Website

• Vendor: https://www.dell.com/

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