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CVE-2026-56447— MISP remote code execution via arbitrary rdkafka configuration path

Quick assessment

Affected
misp misp
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.

MISP是MISP组织开源的一套开源的软件解决方案。该产品用于收集、存储、分发、共享网络安全指标,并具有威胁网络安全事件分析和恶意软件分析等功能。 MISP 2.5.41及之前版本存在软件供应链问题漏洞，该漏洞源于允许通过身份验证的站点管理员将Kafka_rdkafka_config设置设置为任意文件系统路径，进而解析引用的INI文件并将选项传递给rdkafka，攻击者控制的配置文件可利用plugin.library.paths等选项加载外部库，从而导致以MISP进程权限执行任意代码。

AI Predicted 8.8 Difficulty: Easy EPSS 0.61% · P47

Affected Version Matrix 1

VendorProduct Version RangeStatus
misp misp ≤ 2.5.41 affected
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I. Basic Information for CVE-2026-56447

Vulnerability Information
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Vulnerability Title
MISP remote code execution via arbitrary rdkafka configuration path
Source: CVE Program / CVE List V5
Vulnerability Description
MISP allowed an authenticated site administrator to set the Kafka_rdkafka_config setting to an arbitrary filesystem path. MISP subsequently parsed the referenced INI file and passed its options to rdkafka. A crafted attacker-controlled configuration file could use rdkafka options such as plugin.library.paths to load an external library, resulting in arbitrary code execution with the privileges of the MISP process. An attacker could leverage a MISP-writable location, such as an uploaded file or administrative image, to host the malicious configuration file. The issue is fixed by restricting the setting to absolute .ini files located only in approved configuration directories outside the webroot and MISP upload targets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
从非可信控制范围包含功能例程
Source: CVE Program / CVE List V5
Vulnerability Title
MISP 软件供应链问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MISP是MISP组织开源的一套开源的软件解决方案。该产品用于收集、存储、分发、共享网络安全指标,并具有威胁网络安全事件分析和恶意软件分析等功能。 MISP 2.5.41及之前版本存在软件供应链问题漏洞，该漏洞源于允许通过身份验证的站点管理员将Kafka_rdkafka_config设置设置为任意文件系统路径，进而解析引用的INI文件并将选项传递给rdkafka，攻击者控制的配置文件可利用plugin.library.paths等选项加载外部库，从而导致以MISP进程权限执行任意代码。
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
misp misp 0 ~ 2.5.41 -

II. Public POCs for CVE-2026-56447

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III. Intelligence Information for CVE-2026-56447

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Patches & Fixes for CVE-2026-56447 (1)

Same Patch Batch · misp · 2026-06-22 · 6 CVEs total

CVE-2026-56424 Broken access control in MISP core allows cross-organization unauthorized modification or
CVE-2026-56446 Authenticated Remote Code Execution via Arbitrary NDJSON Error Log Path in MISP
CVE-2026-56425 MISP AAD authentication plugin - Improper OAuth State Handling, Missing Session Rotation,
CVE-2026-56423 MISP Core: Broken access control allows instance-wide unauthorized deletion of event repor
CVE-2026-56422 MISP Core: Mass Assignment and Object Re-ownership via Unvalidated Request Fields

IV. Related Vulnerabilities

Same product: misp
Same vendor: misp
Same weakness: CWE-829

V. Comments for CVE-2026-56447

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