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CVE-2026-5136— Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulation

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.

Foreman是Foreman组织开源的一套用于物理和虚拟服务器中的生命周期管理工具。该工具提供服务开通、配置管理以及报告状态等功能。 Foreman存在权限许可和访问控制问题漏洞，该漏洞源于Usergroup model未正确验证角色分配，可能导致经过身份验证的用户附加任意角色并提升权限至管理员级别。

CVSS 8.8 · High EPSS 0.56% · P45

Affected Version Matrix 6

VendorProduct Version RangeStatus
Red Hat Red Hat Satellite 6 any affected
Red Hat Red Hat Satellite 6.16 for RHEL 8 0:3.12.0.17-1.el8sat< * unaffected
Red Hat Red Hat Satellite 6.16 for RHEL 9 0:3.12.0.17-1.el9sat< * unaffected
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.14.0.17-1.el9sat< * unaffected
Red Hat Red Hat Satellite 6.18 for RHEL 9 0:3.16.0.17-1.el9sat< * unaffected
Red Hat Red Hat Satellite 6.19 for RHEL 9 0:3.18.0.7-1.el9sat< * unaffected
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I. Basic Information for CVE-2026-5136

Vulnerability Information
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Vulnerability Title
Foreman: foreman: privilege escalation to administrator-level access via usergroup role assignment manipulation
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Foreman. The Usergroup model in Foreman does not properly validate role assignments against the calling user's permissions. This allows an authenticated user with usergroup management permissions to attach arbitrary roles, including administrative roles, to a user group and then add themselves as a member. Successful exploitation of this vulnerability leads to full privilege escalation, granting the attacker administrator-level access.
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
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Foreman 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foreman是Foreman组织开源的一套用于物理和虚拟服务器中的生命周期管理工具。该工具提供服务开通、配置管理以及报告状态等功能。 Foreman存在权限许可和访问控制问题漏洞，该漏洞源于Usergroup model未正确验证角色分配，可能导致经过身份验证的用户附加任意角色并提升权限至管理员级别。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Satellite 6.16 for RHEL 8 0:3.12.0.17-1.el8sat ~ * cpe:/a:redhat:satellite:6.16::el8
Red Hat Red Hat Satellite 6.16 for RHEL 9 0:3.12.0.17-1.el9sat ~ * cpe:/a:redhat:satellite:6.16::el8
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.14.0.17-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.18 for RHEL 9 0:3.16.0.17-1.el9sat ~ * cpe:/a:redhat:satellite:6.18::el9
Red Hat Red Hat Satellite 6.19 for RHEL 9 0:3.18.0.7-1.el9sat ~ * cpe:/a:redhat:satellite:6.19::el9
Red Hat Red Hat Satellite 6 - cpe:/a:redhat:satellite:6

II. Public POCs for CVE-2026-5136

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III. Intelligence Information for CVE-2026-5136

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Vendor Advisories for CVE-2026-5136 (6)

Same Patch Batch · Red Hat · 2026-07-01 · 7 CVEs total

CVE-2026-14258 6.5 MEDIUM Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in rout
CVE-2026-5142 6.5 MEDIUM Foreman: foreman: cross-tenant private ssh key disclosure via taxonomy scoping bypass
CVE-2026-5135 6.5 MEDIUM Foreman: foreman: unauthorized modification of host configurations via broken access contr
CVE-2026-14324 6.5 MEDIUM Pipewire: raop rtsp null deref
CVE-2026-14330 5.5 MEDIUM Pipewire: pulse server alloca stack overflow
CVE-2026-5138 4.3 MEDIUM Foreman: foreman: information disclosure via improper validation of nested request paramet

IV. Related Vulnerabilities

Same product: Red Hat Satellite 6.16 for RHEL 8
Same vendor: Red Hat
Same weakness: CWE-266

V. Comments for CVE-2026-5136

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