GHSA-WCMJ-X466-56MM OpenTofu: Provider cache installation follows root-module-controlled package directory symlink and writes outside the working tree

Summary If a symlink already exists under the .terraform/providers directory where a provider package needs to be installed, tofu init would follow that symlink and install the new package content into it. If an attacker can coerce an operator into running tofu init in a directory whose contents...

PT-2026-73163

Name of the Vulnerable Software and Affected Versions OpenTofu versions prior to 1.11.7 Description During initialization, the software fails to validate existing symlinks within the provider cache directory. This allows an attacker to place a malicious symlink in a trusted working directory,...

OpenTofu: Possible arbitrary file read during certain git operations via a maliciously crafted URL

Impact Possible data exposure. Summary While downloading packages from a maliciously crafted URL, some git operations against that URL could allow arbitrary file read. This might allow disclosure of confidential information. Details OpenTofu relies on go-getter for downloading packages like...

curl: CVE-2026-9547: SSH improper host validation

Hi all, We've found an issue in lib/vssh/libssh.c where the libssh backend maps SSHKNOWNHOSTSOTHER to CURLKHMATCHMISSING instead of CURLKHMATCHMISMATCH. libssh documents SSHKNOWNHOSTSOTHER as "The server gave us a key of a type while we had another type recorded. It is a possible attack."...

GHSA-PXH5-6RRC-8RJV OpenTofu: Excessive resource usage in "tofu init" when installing dependencies from attacker-controlled server

Impact Unauthenticated denial of service. Summary When installing provider or module packages from attacker-controlled servers, the server may cause tofu initto enter an infinite loop sending garbage data to that server. Those who depend on modules or providers served from untrusted third-party...

GHSA-HW5X-4R37-72W7 OpenTofu has unbounded memory usage, high CPU usage, or deadlock in "tofu init" with maliciously-crafted dependency responses

Impact Unauthenticated denial of service. Summary When installing module packages from attacker-controlled sources, tofu init may use unbounded memory, cause high CPU usage, or deadlock when encountering maliciously-crafted TLS certificate chains or tar archives. Those who depend on modules or...

EUVD-2026-5351

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...

GO-2026-4352 OpenTofu has High CPU usage in "tofu init" with maliciously-crafted module packages in .zip format in github.com/opentofu/opentofu

OpenTofu has High CPU usage in "tofu init" with maliciously-crafted module packages in .zip format in github.com/opentofu/opentofu...

GHSA-R92C-9C7F-3PJ8 OpenTofu has High CPU usage in "tofu init" with maliciously-crafted module packages in .zip format

Impact Unauthenticated denial of service. Summary When installing module packages from attacker-controlled sources, tofu init may cause high CPU usage when encountering maliciously-crafted .zip archives for either provider or module distribution packages. Those who depend on modules or providers...

OpenTofu has High CPU usage in "tofu init" with maliciously-crafted module packages in .zip format

Impact Unauthenticated denial of service. Summary When installing module packages from attacker-controlled sources, tofu init may cause high CPU usage when encountering maliciously-crafted .zip archives for either provider or module distribution packages. Those who depend on modules or providers...

PT-2026-73164

Name of the Vulnerable Software and Affected Versions OpenTofu versions prior to 1.11.4 Description A denial of service issue exists in the tofu init command when processing maliciously-crafted .zip archives used for provider or module packages. An attacker can control the content of the .zip...

GO-2025-4101 OpenTofu affected denials of service in "tofu init" with maliciously-crafted module package responses in github.com/opentofu/opentofu

OpenTofu affected denials of service in "tofu init" with maliciously-crafted module package responses in github.com/opentofu/opentofu...

GHSA-W2JF-268Q-MRVH OpenTofu affected denials of service in "tofu init" with maliciously-crafted module package responses

Impact Unauthenticated denial of service. Summary When installing module packages from attacker-controlled sources, tofu init may use unbounded memory, cause high CPU usage, or crash when encountering maliciously-crafted TLS certificate chains or tar archives. Those who depend on modules or...

OpenTofu affected denials of service in "tofu init" with maliciously-crafted module package responses

Impact Unauthenticated denial of service. Summary When installing module packages from attacker-controlled sources, tofu init may use unbounded memory, cause high CPU usage, or crash when encountering maliciously-crafted TLS certificate chains or tar archives. Those who depend on modules or...

EUVD-2025-38039

OpenTofu affected denials of service in "tofu init" with maliciously-crafted module package responses...

EUVD-2005-3008

Malware in sbrugna...

EUVD-2009-4372

Malware in sbrugna...

EUVD-2023-25133

Malicious code in bioql PyPI...

UCD: Unlearning in LLMs Via Contrastive Decoding

Machine unlearning aims to remove specific information, e.g. sensitive or undesirable content, from large language models LLMs while preserving overall performance. We propose an inference-time unlearning algorithm that uses contrastive decoding, leveraging two auxiliary smaller models, one train...

CVE-2023-20965

In processMessageImpl of ClientModeImpl.java, there is a possible credential disclosure in the TOFU flow due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...