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CVE-2026-12405— Rubygem-foreman_remote_execution: command injection in job invocations via effective_user parameter

Quick assessment

Affected
Red Hat Red Hat Satellite 6.16 for RHEL 8
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 rubygem-foreman_remote_execution 中发现了一个漏洞。Red Hat Satellite API（/api/v2/job_invocations）中存在命令注入漏洞。当作业模板的 effective_user 属性被标记为 overridable: true 时，应用程序未能正确清理 API 请求中提供的 effective_user 输入。该漏洞的利用并不依赖于作业模板或 playbook 本身的内容或逻辑；相反，注入发生在 Satellite 服务器实例化作业执行环境的过程中。

CVSS 8.8 · High EPSS 1.43% · P72

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2026-12405

Vulnerability Information
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Vulnerability Title
Rubygem-foreman_remote_execution: command injection in job invocations via effective_user parameter
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in rubygem-foreman_remote_execution. A command injection vulnerability exists in the Red Hat Satellite API (/api/v2/job_invocations). When a job template has the effective_user property marked as overridable: true, the application fails to properly sanitize the effective_user input provided during the API request. The exploitation does not rely on the content or logic of the Job Template/playbook itself; rather, the injection occurs during the instantiation of the job execution environment by the Satellite server. An attacker with permissions to execute job templates can inject arbitrary shell commands into this parameter, which are executed on the target infrastructure with the privileges of the execution user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Satellite 6.16 for RHEL 8 0:13.2.8-2.el8sat ~ * cpe:/a:redhat:satellite:6.16::el8
Red Hat Red Hat Satellite 6.16 for RHEL 9 0:13.2.8-2.el9sat ~ * cpe:/a:redhat:satellite:6.16::el8
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:15.0.2-2.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.18 for RHEL 9 0:16.2.3-2.el9sat ~ * cpe:/a:redhat:satellite:6.18::el9
Red Hat Red Hat Satellite 6.19 for RHEL 9 0:16.5.3-2.el9sat ~ * cpe:/a:redhat:satellite:6.19::el9
Red Hat Red Hat Satellite 6 - cpe:/a:redhat:satellite:6

II. Public POCs for CVE-2026-12405

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III. Intelligence Information for CVE-2026-12405

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Vendor Advisories for CVE-2026-12405 (5)

Other References for CVE-2026-12405 (1)

Same Patch Batch · Red Hat · 2026-10-01 · 18 CVEs total

CVE-2026-96658 9.9 CRITICAL Foreman: safemode bypass leading to rce
CVE-2026-96659 9.1 CRITICAL Foreman: excessive permissions for viewer role on preview
CVE-2026-86345 9.0 CRITICAL 389-ds-base: 389-ds-base: starttls plaintext-buffer retention allows on-path attacker to f
CVE-2026-12540 8.2 HIGH Foreman: command injection in foreman-rake errors:fetch_log via request_id parameter
CVE-2026-12541 8.2 HIGH Foreman: command injection in foreman-rake database tasks
CVE-2026-12544 7.7 HIGH Foreman: ssti and insecure deserialization in foreman-rake configuration
CVE-2026-86344 7.5 HIGH 389-ds-base: 389-ds-base: unauthenticated worker-thread-pool exhaustion via completed-oper
CVE-2026-12423 7.5 HIGH Foreman: unauthenticated information disclosure via provisioning token validation flaw
CVE-2026-96577 7.1 HIGH Oc-mirror__release-4.21: embedded local cache registry listens on all interfaces without a
CVE-2026-12545 6.7 MEDIUM Rubygem-hammer_cli: command injection via insecure editor invocation
CVE-2026-56097 6.5 MEDIUM Rubygem-katello: sql injection in registry proxy via labels
CVE-2026-103884 6.5 MEDIUM Keycloak-services: keycloak-services: path traversal in x.509 crl distribution point allow
CVE-2026-83589 6.1 MEDIUM Oauth-proxy: open redirect via /\ and /\t bypass in post-login redirect
CVE-2026-103754 5.9 MEDIUM Ansible-runner: ansible-runner: path traversal and symlink escape in unstream_dir() allows
CVE-2026-103641 5.5 MEDIUM Gegl: gegl04: gegl: out-of-bounds read in the radiance hdr uncompressed scanline decoder
CVE-2026-12542 5.3 MEDIUM Foreman: command injection in foreman-tail
CVE-2026-56098 4.3 MEDIUM Rubygem-katello: improper authorization logic allows resource enumeration

IV. Related Vulnerabilities

Same product: Red Hat Satellite 6.16 for RHEL 8
Same vendor: Red Hat
Same weakness: CWE-78

V. Comments for CVE-2026-12405

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