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CVE-2026-10861— MISP post-login open redirect via pre_login_requested_url

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存在安全漏洞，该漏洞源于UsersController::routeafterlogin()中存储的pre_login_requested_url会话键值被用作登录后重定向目标，且未充分验证其为本地应用路径，可能导致未经验证的远程攻击者构造链接，诱使受害者访问受信任的MISP实例并在成功认证后重定向至攻击者控制的外部URL。

AI Predicted 5.0 Difficulty: Trivial EPSS 0.22% · P13

Affected Version Matrix 1

VendorProduct Version RangeStatus
misp misp ≤ 2.5.38 affected
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I. Basic Information for CVE-2026-10861

Vulnerability Information
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Vulnerability Title
MISP post-login open redirect via pre_login_requested_url
Source: CVE Program / CVE List V5
Vulnerability Description
An open redirect vulnerability existed in MISP UsersController::routeafterlogin() because the value stored in the pre_login_requested_url session key was used as the post-login redirect destination without sufficiently enforcing that it was a local application path. An unauthenticated remote attacker could craft a link that causes a victim to visit a trusted MISP instance and, after successful authentication, be redirected to an attacker-controlled external URL. This could be abused to increase the credibility of phishing attacks, redirect users to counterfeit login pages, or deliver attacker-controlled content from an untrusted domain. CWE-601 describes this weakness as accepting user-controlled input that specifies an external link and using it in a redirect, with phishing as a common consequence. The patch mitigates the issue by decoding and parsing the URL, rejecting URLs with a scheme, host, user component, missing or non-local path, and protocol-relative forms such as //example.com and /\example.com.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
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存在安全漏洞，该漏洞源于UsersController::routeafterlogin()中存储的pre_login_requested_url会话键值被用作登录后重定向目标，且未充分验证其为本地应用路径，可能导致未经验证的远程攻击者构造链接，诱使受害者访问受信任的MISP实例并在成功认证后重定向至攻击者控制的外部URL。
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 ~ 2.5.38 -

II. Public POCs for CVE-2026-10861

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III. Intelligence Information for CVE-2026-10861

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Patches & Fixes for CVE-2026-10861 (1)

Same Patch Batch · misp · 2026-06-04 · 8 CVEs total

CVE-2026-10860 MISP CRUDComponent delete validation bypass via operator precedence error
CVE-2026-10854 Unauthorized exposure of private galaxies in MISP event template creation
CVE-2026-10856 Open redirect in MISP dashboard button widget URL handling
CVE-2026-10863 MISP User-controlled order parameter in correlations over-correlation endpoint
CVE-2026-10864 MISP Dashboard widget field selection may expose restricted user and organisation data
CVE-2026-10868 MISP user edit endpoint mass assignment vulnerability allows unauthorized user account mod
CVE-2026-10855 MISP Event template importer authorization bypass

IV. Related Vulnerabilities

Same product: misp
Same vendor: misp
Same weakness: CWE-601

V. Comments for CVE-2026-10861

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