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CVE-2026-54394— MISP organisation logo path traversal allows retrieval of arbitrary PNG/SVG files

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 2.5.40之前版本存在路径遍历漏洞，该漏洞源于OrganisationsController::getOrgLogo中的路径遍历问题，使用组织控制字段（如id、name和uuid）构建组织徽标文件路径，未确保解析文件保持在APP/files/img/orgs/目录内，可能允许攻击者影响组织字段，利用路径遍历序列读取任意.png或.svg文件。

AI Predicted 5.3 Difficulty: Easy EPSS 0.44% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
misp misp < 2.5.40 affected
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I. Basic Information for CVE-2026-54394

Vulnerability Information
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Vulnerability Title
MISP organisation logo path traversal allows retrieval of arbitrary PNG/SVG files
Source: CVE Program / CVE List V5
Vulnerability Description
MISP contains a path traversal vulnerability in OrganisationsController::getOrgLogo. The vulnerable code builds organisation logo file paths using organisation-controlled fields such as id, name, and uuid without ensuring that the resolved file remains inside the intended APP/files/img/orgs/ directory. An attacker able to influence an organisation field, for example the organisation name, could use path traversal sequences to cause MISP to return arbitrary readable .png or .svg files from outside the organisation logo directory. The issue is fixed by resolving candidate paths with realpath() and verifying that they remain under the expected base directory before serving the file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
MISP 路径遍历漏洞
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 2.5.40之前版本存在路径遍历漏洞，该漏洞源于OrganisationsController::getOrgLogo中的路径遍历问题，使用组织控制字段（如id、name和uuid）构建组织徽标文件路径，未确保解析文件保持在APP/files/img/orgs/目录内，可能允许攻击者影响组织字段，利用路径遍历序列读取任意.png或.svg文件。
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 ~ 2.5.40 -

II. Public POCs for CVE-2026-54394

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III. Intelligence Information for CVE-2026-54394

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Patches & Fixes for CVE-2026-54394 (1)

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

CVE-2026-54358 MISP organization administrators can target site administrator accounts for password reset
CVE-2026-54362 MISP template builder exposes non-visible custom galaxies across organisations
CVE-2026-54359 MISP automation endpoints may be exposed to CSRF when Sec-Fetch-Site protection is disable
CVE-2026-54398 MISP object edit authorization bypass allows unauthorized sharing group assignment
CVE-2026-54396 MISP AuthKey edit endpoint allows authenticated user email enumeration
CVE-2026-54357 MISP improper authorization allows organization administrators to modify site administrato
CVE-2026-54393 MISP Overmind theme stored XSS via unvalidated homepage setting
CVE-2026-54395 MISP UiBeta event index reflected XSS in advanced filter popup
CVE-2026-54397 MISP event editing allows unauthorized assignment to undisclosed sharing groups
CVE-2026-54360 MISP sharing group creation mass assignment allows unauthorized takeover of existing shari
CVE-2026-54361 MISP mass assignment vulnerabilities allow unauthorized modification of ownership and dele

IV. Related Vulnerabilities

Same product: misp
Same vendor: misp
Same weakness: CWE-22

V. Comments for CVE-2026-54394

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