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CVE-2026-54362— MISP template builder exposes non-visible custom galaxies across organisations

AI Predicted 5.3 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
mispmisp< 2.5.40affected
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I. Basic Information for CVE-2026-54362

Vulnerability Information
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Vulnerability Title
MISP template builder exposes non-visible custom galaxies across organisations
Source: NVD (National Vulnerability Database)
Vulnerability Description
An incorrect visibility condition in the MISP event template builder allowed authenticated non-site-admin users to view galaxies that should not have been visible to their organisation. The custom access-control condition intended to restrict galaxies to those owned by the user’s organisation or distributed beyond it used a PHP comparison expression instead of a query condition. As a result, enabled galaxies, including organisation-only custom galaxies belonging to other organisations, could be exposed in the template builder galaxy list. This could disclose metadata about private galaxy definitions to unauthorised users.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
MISP 授权问题漏洞
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存在授权问题漏洞，该漏洞源于事件模板构建器中可见性条件错误，自定义访问控制条件使用PHP比较表达式而非查询条件，可能导致已通过身份验证的非站点管理员用户查看不应对其组织可见的星系，包括属于其他组织的仅限组织的自定义星系，从而向未经授权的用户披露私有星系定义的元数据。
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
mispmisp 0 ~ 2.5.40 -

II. Public POCs for CVE-2026-54362

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III. Intelligence Information for CVE-2026-54362

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Patches & Fixes for CVE-2026-54362 (1)

Same Patch Batch · misp · 2026-06-12 · 12 CVEs total

CVE-2026-54358MISP organization administrators can target site administrator accounts for password reset
CVE-2026-54359MISP automation endpoints may be exposed to CSRF when Sec-Fetch-Site protection is disable
CVE-2026-54398MISP object edit authorization bypass allows unauthorized sharing group assignment
CVE-2026-54396MISP AuthKey edit endpoint allows authenticated user email enumeration
CVE-2026-54394MISP organisation logo path traversal allows retrieval of arbitrary PNG/SVG files
CVE-2026-54357MISP improper authorization allows organization administrators to modify site administrato
CVE-2026-54393MISP Overmind theme stored XSS via unvalidated homepage setting
CVE-2026-54395MISP UiBeta event index reflected XSS in advanced filter popup
CVE-2026-54397MISP event editing allows unauthorized assignment to undisclosed sharing groups
CVE-2026-54360MISP sharing group creation mass assignment allows unauthorized takeover of existing shari
CVE-2026-54361MISP mass assignment vulnerabilities allow unauthorized modification of ownership and dele

IV. Related Vulnerabilities

Same product: misp
Same vendor: misp
Same weakness: CWE-863

V. Comments for CVE-2026-54362

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