# CVE-2026-12544: Foreman SSTI and insecure deserialization in configuration

Source: https://junglewise.ai/threats/cve-2026-12544-a-flaw-was-found-in-foreman-the-foreman-rake-initialization-logic  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-01. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-12544 · Severity: high · CVSS 7.7 · Published 2026-10-01

Foreman is an open-source infrastructure management platform used by enterprises to configure and maintain their systems. A flaw in the foreman-rake configuration initialization allows attackers to execute arbitrary code through Server-Side Template Injection and insecure deserialization, potentially leading to complete system compromise and supply chain risk.

Technologies: [Red Hat Foreman](https://junglewise.ai/threats/technologies/red-hat-foreman). Vendors: [Red Hat](https://junglewise.ai/threats/vendors/red-hat).

## Quick answers

**Is CVE-2026-12544 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-12544 being exploited in the wild.

**How severe is CVE-2026-12544?** High severity, with a CVSS score of 7.7, published 1 October 2026.

**Which products and versions are affected?** Red Hat Foreman.

**Is there a fix for CVE-2026-12544?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-12544 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-12544?** Check whether you run Red Hat Foreman. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability exists in /usr/share/foreman/config/settings.rb where configuration data is processed through multiple executable layers, creating a multi-stage execution chain vulnerable to both SSTI and insecure deserialization attacks. An attacker with network access can exploit this to achieve remote code execution without requiring authentication. Red Hat has released patches for Foreman within Satellite 6.19.5.

## Affected products

- Red Hat Foreman

## Timeline

- 2026-10-01: disclosed

## References

- [https://access.redhat.com/downloads/content/package-browser/](https://access.redhat.com/downloads/content/package-browser/)
- [https://access.redhat.com/errata/RHSA-2026:74503](https://access.redhat.com/errata/RHSA-2026:74503)

## Related threats

- [Foreman authorization bypass in personal access token creation](https://junglewise.ai/threats/cve-2026-86322-a-flaw-was-found-in-foreman-s-api-v2)
- [Foreman incorrect authorization in network interface API](https://junglewise.ai/threats/cve-2026-107203-an-incorrect-authorization-flaw-has-been-found-in-network)
- [Foreman permission filter authorization bypass](https://junglewise.ai/threats/cve-2026-107193-a-flaw-has-been-found-in-permission-filters-in-the-foreman)
- [Foreman foreman-tail command injection via eval](https://junglewise.ai/threats/cve-2026-12542-a-flaw-was-found-in-foreman-the-foreman-tail-utility-is)
- [Foreman template preview SSTI and credential disclosure](https://junglewise.ai/threats/cve-2026-96659-a-flaw-was-found-in-foreman-this-vulnerability-allows-an)