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CVE-2026-9073— Foreman-mcp-server: mcp server: insecure sensitive http header sanitization

Quick assessment

Affected
Red Hat Red Hat Satellite 6.18
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.

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存在信息泄露漏洞，该漏洞源于foreman-mcp-server组件使用两种不同的日志记录机制，可能泄露敏感会话和身份验证数据，一种机制在信息级别记录会话标识符，另一种在启用调试日志时未完全清理HTTP请求标头，导致授权令牌和API密钥等敏感信息以明文形式记录，攻击者可利用此漏洞导致机密性泄露。

CVSS 6.2 · Medium EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
Red Hat Red Hat Satellite 6.18 1782228427< * unaffected
Red Hat Red Hat Satellite 6.19 1782228692< * unaffected
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I. Basic Information for CVE-2026-9073

Vulnerability Information
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Vulnerability Title
Foreman-mcp-server: mcp server: insecure sensitive http header sanitization
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in foreman-mcp-server. This component utilizes two distinct logging mechanisms that can expose sensitive session and authentication data. One mechanism logs session identifiers, which are treated as authentication credentials, at an informational level. The other, when debug logging is enabled, incompletely sanitizes HTTP request headers, leading to the cleartext logging of sensitive information such as authorization tokens and API keys. This vulnerability can result in a confidentiality breach, as sensitive authentication data is persisted in plain text within container logs, increasing the risk if logs are forwarded to a centralized platform.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
The Foreman foreman-mcp-server 信息泄露漏洞
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存在信息泄露漏洞，该漏洞源于foreman-mcp-server组件使用两种不同的日志记录机制，可能泄露敏感会话和身份验证数据，一种机制在信息级别记录会话标识符，另一种在启用调试日志时未完全清理HTTP请求标头，导致授权令牌和API密钥等敏感信息以明文形式记录，攻击者可利用此漏洞导致机密性泄露。
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 6.18 1782228427 ~ * cpe:/a:redhat:satellite:6.18::el9
Red Hat Red Hat Satellite 6.19 1782228692 ~ * cpe:/a:redhat:satellite:6.19::el9

II. Public POCs for CVE-2026-9073

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III. Intelligence Information for CVE-2026-9073

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Vendor Advisories for CVE-2026-9073 (2)

Other References for CVE-2026-9073 (2)

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

CVE-2026-11807 9.6 CRITICAL Eda-server: websocket missing authorization allows credential theft via activation_id spoo
CVE-2026-12112 7.8 HIGH Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse
CVE-2026-10609 6.8 MEDIUM Openshift/cluster-logging-operator: cluster logging operator creates and forwards servicea
CVE-2026-11820 6.5 MEDIUM Community.general: community.general nexmo — api credentials exposed in get url query stri
CVE-2026-11819 5.5 MEDIUM Community.general: community.general keyring_info — os keyring passphrase returned in plai
CVE-2026-12969 5.3 MEDIUM Dnsmasq: dnsmasq: out-of-bounds read in find_soa() due to missing extrabytes validation
CVE-2026-55655 5.0 MEDIUM Openssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat ente
CVE-2026-12892 4.4 MEDIUM Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad: 1-byte heap out-of-bounds read in h.2
CVE-2026-55653 4.3 MEDIUM Openssh: double free in red hat enterprise linux versions of openssh dh-gex client path du
CVE-2026-12891 4.3 MEDIUM Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad: global buffer overflow (oob read) in
CVE-2026-55654 3.7 LOW Openssh: heap out-of-bounds read in red hat enterprise linux versions of openssh gssapi in

IV. Related Vulnerabilities

Same product: Red Hat Satellite 6.18
Same vendor: Red Hat
Same weakness: CWE-532

V. Comments for CVE-2026-9073

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