External risk intelligence

Foreman Information Disclosure and Command Execution Flaw

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2026-96659

Foreman is a lifecycle management tool for physical and virtual servers. While it is often deployed in internal data center environments to manage private infrastructure, it is also occasionally exposed to the internet or accessible via remote access portals to facilitate management across distributed networks.

Information Disclosure

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A security vulnerability has been identified in Foreman, a system management tool. An authenticated user with limited permissions could potentially access sensitive information like host passwords or even execute commands, depending on system configurations. The primary concern is to verify if our environment uses this technology and if it is exposed in a way that could be exploited.

Low-privilege users can expose sensitive data.
Matters if Foreman is used to manage critical systems.
Confirm relevance and potential exposure to sensitive data.

Attack Path

How an attacker could exploit the issue

An attacker with low-level viewer access can exploit this vulnerability by submitting specific requests to the template preview feature within Foreman. This could lead to the disclosure of sensitive information, such as host root passwords. In certain configurations where security protections are disabled, the attacker might also be able to execute arbitrary commands on the Foreman system.

Authenticated user with viewer permissions.
Submitting requests to template preview endpoints.
Information disclosure and potential command execution.

Live Threat

Current exploitation, exposure, and threat context

An authenticated user with low-level Viewer permissions could access sensitive system data, such as host root passwords, by submitting requests to template preview endpoints. When Safemode protections are disabled, this flaw may also allow command execution as the Foreman system account.

Host root passwords and system data at risk.
Information disclosure via template preview endpoints.
Unauthorized command execution when Safemode is off.

Operational Fix

Recommended remediation, mitigation, and detection steps

Given that Foreman is affected, ownership will likely fall to the platform or infrastructure teams responsible for its deployment and maintenance. The initial focus should be on discovering all instances of Foreman within the environment, assessing their network exposure and criticality, identifying the specific application owner for each instance, and then prioritizing remediation efforts based on the potential for unauthorized data disclosure or command execution.

Platform/Infrastructure teams own resolution.
Verify network exposure and critical assets.
Plan remediation based on assessed risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Free EASM Trial See How Signal Works

Frequently asked questions

What is Foreman and what is it used for?

Foreman is a comprehensive lifecycle management platform designed to automate and orchestrate the provisioning, configuration, and monitoring of both physical and virtual servers. IT and platform teams use it to streamline large-scale infrastructure operations, often acting as a central control plane for managing various operating systems and machine configurations across enterprise data centers.

What does CVE-2026-96659 mean for Foreman?

This vulnerability is classified as CWE-267, which pertains to improper privilege management. In Foreman, it allows a user with restricted Viewer permissions to bypass intended access controls. By interacting with template preview features, an attacker can extract sensitive information like host root passwords. If Safemode protections are not enabled, the flaw also allows the attacker to execute arbitrary commands with the privileges of the Foreman system account.

How does an attacker trigger this vulnerability?

An attacker triggers this bug by submitting specifically crafted requests to the template preview endpoints within the Foreman interface. Note that this requires the attacker to already have authenticated access with at least low-level Viewer privileges; anonymous, unauthenticated users cannot trigger the flaw. Furthermore, the risk of arbitrary command execution is specifically dependent on the system having Safemode protections disabled.

Is my environment at risk from this CVE?

According to Halo Surface Signal, risk depends on how your Foreman instance is deployed. While Foreman is typically hosted in internal data centers, it is occasionally exposed to the internet or accessible via remote management portals to support distributed networks. If your instance is reachable from broader networks or accessible to a wide range of authenticated users, the potential impact of this information disclosure and command execution vulnerability is significantly higher.

What should I do if I use Foreman?

Platform and infrastructure teams should first identify all active Foreman instances within their environment. Once identified, evaluate the current security configuration—specifically verifying the status of Safemode protections—and assess the network accessibility of each instance. Prioritize these systems for updates based on the sensitivity of the data managed and the level of exposure to your network, coordinating directly with the internal team responsible for the platform's maintenance.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.