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CVE-2026-12112— Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse

CVSS 7.8 · High EPSS 0.15% · P5

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProductVersion RangeStatus
Red HatRed Hat Satellite 6.191782228692< *unaffected
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I. Basic Information for CVE-2026-12112

Vulnerability Information
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Vulnerability Title
Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the foreman-mcp-server. A session management vulnerability in the MCP Server allows unauthenticated attackers to hijack active administrative sessions due to an improper cache of authenticated client connections, by trusting a non-secret session ID without re-validating authentication tokens and by logging all newly created session IDs to standard logs. This issue can result in privilege escalation and infrastructure-wide code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
The Foreman foreman-mcp-server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
The Foreman foreman-mcp-server是The Foreman组织的一个连接Foreman基础设施管理平台的MCP服务器。 The Foreman foreman-mcp-server存在授权问题漏洞，该漏洞源于会话管理问题，未经验证的攻击者可能劫持活动管理会话，导致权限提升和基础设施范围内的代码执行。
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

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Satellite 6.19 1782228692 ~ * cpe:/a:redhat:satellite:6.19::el9

II. Public POCs for CVE-2026-12112

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III. Intelligence Information for CVE-2026-12112

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Vendor Advisories for CVE-2026-12112 (1)

Other References for CVE-2026-12112 (2)

Same Patch Batch · Red Hat · 2026-06-23 · 12 CVEs total

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CVE-2026-118206.5 MEDIUMCommunity.general: community.general nexmo — api credentials exposed in get url query stri
CVE-2026-90736.2 MEDIUMForeman-mcp-server: mcp server: insecure sensitive http header sanitization
CVE-2026-118195.5 MEDIUMCommunity.general: community.general keyring_info — os keyring passphrase returned in plai
CVE-2026-129695.3 MEDIUMDnsmasq: dnsmasq: out-of-bounds read in find_soa() due to missing extrabytes validation
CVE-2026-556555.0 MEDIUMOpenssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat ente
CVE-2026-128924.4 MEDIUMGstreamer1-plugins-bad: gstreamer1-plugins-bad: 1-byte heap out-of-bounds read in h.264 na
CVE-2026-556534.3 MEDIUMOpenssh: double free in red hat enterprise linux versions of openssh dh-gex client path du
CVE-2026-128914.3 MEDIUMGstreamer1-plugins-bad: gstreamer1-plugins-bad: global buffer overflow (oob read) in h.266
CVE-2026-556543.7 LOWOpenssh: heap out-of-bounds read in red hat enterprise linux versions of openssh gssapi in

IV. Related Vulnerabilities

Same product: Red Hat Satellite 6.19
Same vendor: Red Hat
Same weakness: CWE-287

V. Comments for CVE-2026-12112

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