CVE-2026-91881 Security feature bypass in Terraform Provider for Redfish
An attacker can intercept Redfish BMC traffic and steal credentials via man-in-the-middle attacks due to disabled TLS certificate verification in the Dell Terraform Provider.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91881?
CVE-2026-91881 is a critical vulnerability in Dell Terraform Provider for Redfish, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Dell Terraform Provider for Redfish, versions prior to 1.6.2, contains an Improper Certificate Validation vulnerability in the HTTP transport component. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information exposure and unauthorized access. This is a Critical severity vulnerability as it allows an unauthenticated attacker to intercept all Redfish BMC traffic including credentials by performing a man-in-the-middle attack, since TLS certificate verification is unconditionally disabled in the base HTTP transport. Dell recommends customers to upgrade at the earliest opportunity.
Weakness: CWE-295
Which versions are affected by CVE-2026-91881?
How do I fix CVE-2026-91881?
No fix has been published for CVE-2026-91881 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-91881 being exploited?
There is no known exploitation of CVE-2026-91881 in the wild and no public exploit code.
Sources
Also known as GHSA-wpr3-vhw9-4w82.