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CVE-2026-1961— Forman: foreman: remote code execution via command injection in websocket proxy

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存在安全漏洞，该漏洞源于WebSocket代理实现中的命令注入，当系统使用来自计算资源提供商的未清理主机名值构建shell命令时，攻击者通过操作恶意计算资源服务器，在用户访问VM VNC控制台功能时可能在Foreman服务器上实现远程代码执行，从而可能导致敏感凭据和整个托管基础设施被破解。

CVSS 8.0 · High EPSS 1.41% · P70

Affected Version Matrix 28

VendorProduct Version RangeStatus
Red Hat Red Hat Satellite 6 any affected
Red Hat Red Hat Satellite 6.16 for RHEL 8 0:3.12.0.14-1.el8sat< * unaffected
Red Hat Red Hat Satellite 6.16 for RHEL 9 0:3.12.0.14-1.el9sat< * unaffected
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.14.0.14-1.el9sat< * unaffected
0:0.1.23-0.3.el9pc< * unaffected
0:1.2.0-0.1.el9pc< * unaffected
0:4.2.28-0.1.el9pc< * unaffected
0:2.22.3-1.el9pc< * unaffected
0:3.27.10-2.el9pc< * unaffected
0:1.5.1-1.el9sat< * unaffected
0:0.4.3-1.el9sat< * unaffected
… +16 more rows
Red Hat Red Hat Satellite 6.18 for RHEL 9 0:3.16.0.12-1.el9sat< * unaffected
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I. Basic Information for CVE-2026-1961

Vulnerability Information
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Vulnerability Title
Forman: foreman: remote code execution via command injection in websocket proxy
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Foreman. A remote attacker could exploit a command injection vulnerability in Foreman's WebSocket proxy implementation. This vulnerability arises from the system's use of unsanitized hostname values from compute resource providers when constructing shell commands. By operating a malicious compute resource server, an attacker could achieve remote code execution on the Foreman server when a user accesses VM VNC console functionality. This could lead to the compromise of sensitive credentials and the entire managed infrastructure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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
Vulnerability Title
Foreman 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foreman是Foreman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存在安全漏洞，该漏洞源于WebSocket代理实现中的命令注入，当系统使用来自计算资源提供商的未清理主机名值构建shell命令时，攻击者通过操作恶意计算资源服务器，在用户访问VM VNC控制台功能时可能在Foreman服务器上实现远程代码执行，从而可能导致敏感凭据和整个托管基础设施被破解。
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 0:3.12.0.14-1.el8sat ~ * cpe:/a:redhat:satellite:6.16::el8
Red Hat Red Hat Satellite 6.16 for RHEL 9 0:3.12.0.14-1.el9sat ~ * cpe:/a:redhat:satellite:6.16::el8
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.14.0.14-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.1.23-0.3.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:1.2.0-0.1.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:4.2.28-0.1.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:2.22.3-1.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.27.10-2.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:1.5.1-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.4.3-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:4.16.0.14-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.13.0-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:6.17.7-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.0.3-4.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.14.0.14-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.1.23-0.3.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:1.2.0-0.1.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:4.2.28-0.1.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:2.22.3-1.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:3.27.10-2.el9pc ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:1.5.1-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.4.3-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:4.16.0.14-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.13.0-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:6.17.7-1.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.17 for RHEL 9 0:0.0.3-4.el9sat ~ * cpe:/a:redhat:satellite:6.17::el9
Red Hat Red Hat Satellite 6.18 for RHEL 9 0:3.16.0.12-1.el9sat ~ * cpe:/a:redhat:satellite:6.18::el9
Red Hat Red Hat Satellite 6 - cpe:/a:redhat:satellite:6

II. Public POCs for CVE-2026-1961

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III. Intelligence Information for CVE-2026-1961

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Vendor Advisories for CVE-2026-1961 (5)

Same Patch Batch · Red Hat · 2026-03-26 · 16 CVEs total

CVE-2025-12805 8.1 HIGH Llama-stack-k8s-operator: llama stack service exposed across namespaces due to missing net
CVE-2026-2436 6.5 MEDIUM Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake
CVE-2026-3121 6.5 MEDIUM Keycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-client
CVE-2026-4887 6.1 MEDIUM Gimp: gimp:memory disclosure and denial of service via specially crafted pcx image
CVE-2026-4897 5.5 MEDIUM Polkit: polkit: denial of service via unbounded input processing through standard input
CVE-2026-2272 4.3 MEDIUM Gimp: gimp: memory corruption due to integer overflow in ico file handling
CVE-2026-3190 4.3 MEDIUM Keycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protec
CVE-2026-2271 3.3 LOW Gimp: gimp: denial of service via crafted psp image file
CVE-2026-0968 3.1 LOW Libssh: libssh: denial of service due to malformed sftp message
CVE-2026-4874 3.1 LOW Org.keycloak.protocol.oidc.grants: org.keycloak.services.managers: keycloak: server-side r
CVE-2026-2239 2.8 LOW Gimp: gimp: application crash (dos) via crafted psd file due to heap-buffer-overflow
CVE-2026-0965 Libssh: libssh: denial of service via improper configuration file handling
CVE-2026-0967 Libssh: libssh: denial of service via inefficient regular expression processing
CVE-2026-0964 Libssh: improper sanitation of paths received from scp servers
CVE-2026-0966 Libssh: libssh: denial of service via zero-length input in ssh_get_hexa()

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-2026-1961

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