Terraform version 1.0.8 through 1.5.6 allows arbitrary file write during the `init` operation if run on maliciously crafted Terraform configuration. This vulnerability is fixed in Terraform 1.5.7.

HashiCorp Terraform Enterprise releases up to v202106-1 did not properly perform authorization checks on a subset of API requests executed using the run token, allowing privilege escalation to organization owner. Fixed in v202107-1.

When using the Azure backend with a shared access signature (SAS), Terraform versions prior to 0.12.17 may transmit the token and state snapshot using cleartext HTTP.

aws/resource_aws_iam_user_login_profile.go in the HashiCorp Terraform Amazon Web Services (AWS) provider through v1.12.0 has an inappropriate PRNG algorithm and seeding, which makes it easier for remote attackers to obtain access by leveraging an IAM account that was provisioned with a weak password.