CVE-2026-90957: Improper Neutralization of Input During Web Page Generation

Affected versions of MISP serve uploaded SVG images inline without a restrictive browser sandbox. The commit explains that SVG files are XML documents rather than passive bitmap images. While scripts inside SVG do not execute when the SVG is rendered through a normal , they can execute when the S...

CVE-2026-90893: Cross-Site Request Forgery (CSRF)

MISP contains a Cross-Site Request Forgery CSRF vulnerability in the UserSettingsController. The actions setTheme, setHomePage, and eventIndexColumnToggle were explicitly added to the Security component's unlockedActions list, which disabled all CSRF validation both token and field-hash checks fo...

CVE-2026-90895: Missing Authorization

Affected versions of MISP’s interactive CLI shell implement access control independently from the normal web application, causing several authorization inconsistencies. The patch shows that CLI access could differ from the web application in multiple security-sensitive areas: - feed listings did...

PT-2026-91127

Affected versions of MISP’s interactive CLI shell implement access control independently from the normal web application, causing several authorization inconsistencies. The patch shows that CLI access could differ from the web application in multiple security-sensitive areas: - feed listings did...

CVE-2026-90955: Insufficient Logging

Affected versions of MISP’s interactive CLI shell do not reliably preserve the identity of the impersonated MISP user across audit logging. The shell is designed to run actions as a supplied MISP user ID. However, the legacy SysLogLogable behavior stored that identity in behavior-instance state...

PT-2026-91218

The LdapAuth and LinOTPAuth authentication plugins in MISP contain an authentication bypass vulnerability. Both LdapAuthenticate and LinOTPAuthenticate replace CakePHP's FormAuthenticate class but fail to replicate its checkFields input validation guard. As a result, the email and password fields...

PT-2026-91126

MISP contains a Cross-Site Request Forgery CSRF vulnerability in the UserSettingsController. The actions setTheme, setHomePage, and eventIndexColumnToggle were explicitly added to the Security component's unlockedActions list, which disabled all CSRF validation both token and field-hash checks fo...

PT-2026-91217

Affected versions of MISP serve uploaded SVG images inline without a restrictive browser sandbox. The commit explains that SVG files are XML documents rather than passive bitmap images. While scripts inside SVG do not execute when the SVG is rendered through a normal , they can execute when the S...

PT-2026-91183

Affected versions of MISP’s interactive CLI shell do not reliably preserve the identity of the impersonated MISP user across audit logging. The shell is designed to run actions as a supplied MISP user ID. However, the legacy SysLogLogable behavior stored that identity in behavior-instance state...

MISP v2.5.46

MISP - Threat Intelligence Sharing Platform MISP is an open source software solution for collecting, storing, distributing and sharing cyber security indicators and threats about cyber security incidents analysis and malware analysis. MISP is designed by and for incident analysts, security and IC...

CVE-2026-88921

MISP contains an HTML injection vulnerability in the MISPElementHTMLFormatterTool component, which is responsible for rendering MISP element references attributes, objects, and tags into inline HTML during PDF report export via the convertmarkdowntopdf module. The attribute, objectAttribute,...

CVE-2026-88915

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88921 MISP: Unescaped HTML Injection in PDF Report Element Rendering

MISP contains an HTML injection vulnerability in the MISPElementHTMLFormatterTool component, which is responsible for rendering MISP element references attributes, objects, and tags into inline HTML during PDF report export via the convertmarkdowntopdf module. The attribute, objectAttribute,...

CVE-2026-88921 MISP: Unescaped HTML Injection in PDF Report Element Rendering

MISP contains an HTML injection vulnerability in the MISPElementHTMLFormatterTool component, which is responsible for rendering MISP element references attributes, objects, and tags into inline HTML during PDF report export via the convertmarkdowntopdf module. The attribute, objectAttribute,...

CVE-2026-88921

MISP (versions ≤2.5.45) contains an HTML injection vulnerability in the MISPElementHTMLFormatterTool component, used during PDF report export via the convert_markdown_to_pdf module. The attribute(), objectAttribute(), object(), and tag() methods interpolated user-controlled fields (attribute type...

EUVD-2026-75451

MISP contains an HTML injection vulnerability in the MISPElementHTMLFormatterTool component, which is responsible for rendering MISP element references attributes, objects, and tags into inline HTML during PDF report export via the convertmarkdowntopdf module. The attribute, objectAttribute,...

CVE-2026-88921 MISP: Unescaped HTML Injection in PDF Report Element Rendering

MISP contains an HTML injection vulnerability in the MISPElementHTMLFormatterTool component, which is responsible for rendering MISP element references attributes, objects, and tags into inline HTML during PDF report export via the convertmarkdowntopdf module. The attribute, objectAttribute,...

EUVD-2026-75409

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88915 MISP Event Template Instantiation Bypasses Sharing Group and Tagging Authorization

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88915

MISP ≤2.5.45 is affected by an authorization bypass in the event template instantiation path. When a template uses distribution = 4 , the template's sharing_group_id was passed directly into event creation without verifying that the acting user is permitted to use that sharing group via SharingGr...