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CVE-2026-44380— MISP: Improper access control in auth key reset allows privilege escalation to site administrator

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 2.5.37之前版本存在安全漏洞，该漏洞源于身份验证密钥重置功能中的访问控制不当，允许组织管理员重置同一组织中站点管理员账户的身份验证密钥。

AI Predicted 8.1 Difficulty: Easy EPSS 0.58% · P46

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
MISP MISP < 2.5.37 affected
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I. Basic Information for CVE-2026-44380

Vulnerability Information
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Vulnerability Title
MISP: Improper access control in auth key reset allows privilege escalation to site administrator
Source: CVE Program / CVE List V5
Vulnerability Description
MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, an improper access control vulnerability in the authentication key reset functionality allowed an authenticated organization administrator to reset authentication keys belonging to site administrator accounts within the same organization. Because non-site administrators were not explicitly prevented from accessing or resetting site administrator auth keys, an attacker with organization administrator privileges could potentially obtain a newly generated auth key for a higher-privileged account and use it to escalate privileges. This vulnerability is fixed in 2.5.37.
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:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
MISP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MISP是MISP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 2.5.37之前版本存在安全漏洞，该漏洞源于身份验证密钥重置功能中的访问控制不当，允许组织管理员重置同一组织中站点管理员账户的身份验证密钥。
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 < 2.5.37 -

II. Public POCs for CVE-2026-44380

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III. Intelligence Information for CVE-2026-44380

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Vendor Advisories for CVE-2026-44380 (1)

Same Patch Batch · MISP · 2026-05-13 · 5 CVEs total

CVE-2026-44363 Unsafe remote resource fetching in expansion misp-modules
CVE-2026-44379 MISP: Improper UUID validation in MISP Collections
CVE-2026-44381 MISP: SQL injection via unvalidated ordering parameters in event and shadow attribute list
CVE-2026-44364 misp-modules website - Missing CSRF protection in the website home blueprint

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-44380

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