Vendor
MISP
186 known vulnerabilities.
Products
186 results · Feed
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High 7.1
MISP Collection Element Add Missing Authorization on Referenced Object UUID
Affected versions of MISP allow a collection element to be created from a bare UUID without consistently checking whether the acting user is allowed to access the referenced object. The commit explains that collection elements themselves only store UUIDs, whi…
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High 7.1
MISP: Missing Authorization Check for Event Sharing Group When Distribution Field Is Omitted During Edit
Affected versions of MISP fail to authorize a submitted sharing group in a specific event-edit path. The vulnerable logic checked whether the acting user could use a sharing_group_id only when the request explicitly supplied distribution = 4. If the attacker …
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Medium 6.9
MISP: HTTP Method Override Bypasses CSRF and Form Validation in BetterSecurityComponent
Affected versions of MISP rely on CakePHP request-method override processing in a way that can disable CSRF and form-security validation. CakePHP honors a _method field or X-HTTP-Method-Override header by rewriting the effective request method. For override v…
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Critical 9.3
MISP LdapAuth and LinOTPAuth Authentication Bypass via Empty or Non-String Credentials
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. A…
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Medium 5.1
MISP: Stored XSS via Inline-Served SVG Organisation Logos and Report Pictures
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 …
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Medium 4.6
MISP CLI Shell Audit Logs Lose User Identity and CLI Marker After First Lazy Model Load
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…
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High 8.4
MISP Interactive CLI Shell: Authorization Bypass, Credential Exposure, and Terminal Injection
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…
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Medium 5.1
MISP UserSettingsController CSRF Protection Bypass on setTheme, setHomePage, and eventIndexColumnToggle Endpoints
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 valida…
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Medium 5.1
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 convert_markdown_to_pdf m…
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High 7.1
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 sharing_group_id. The instantiation path passed that value into event cr…
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High 8.7
MISP Unauthenticated Mail Endpoints Allow Unbounded Storage Consumption and Request Flooding
Affected versions of MISP permit unauthenticated or weakly constrained request paths to perform persistent work without adequate input bounds or rate limiting. The users/forgot password-reset endpoint accepted an attacker-controlled email value without first …
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Medium 5.3
MISP Event Graph Object Reference Lookup Exposes References from Unauthorized Objects
Affected versions of MISP allow authenticated users to retrieve object-reference records by UUID through EventGraphTool::get_reference_data() without first checking whether the requester is authorized to view the object the reference belongs to. The vulnerabl…
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Low 2.3
MISP Dashboard Organisation Widgets Bypass Organisation-Index Restrictions and Expose Hidden Organisation Data
Affected versions of MISP contain inconsistent authorization checks across dashboard widgets that display organisation information. Several organisation-related widgets did not honor Security.hide_organisation_index_from_users. As a result, authenticated user…
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Medium 5.1
MISP Dashboard Button Widget Allows Stored XSS via Unsafe javascript: and Backslash URLs
Affected versions of MISP insufficiently validate URLs used by dashboard widgets, particularly the Button widget. The widget's URL is stored configuration controlled by a user. The previous renderer considered a URL safe if it appeared relative or if its pars…
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High 7.0
MISP Insufficient Outbound URL Validation Allows SSRF and Credential Disclosure via Feed Redirects and TAXII Discovery
Affected versions of MISP contain insufficient validation of server-side outbound HTTP destinations in feed retrieval and TAXII discovery functionality. In feed processing, redirects were followed without validating the redirect scheme or destination. The ori…
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Low 2.3
MISP Dashboard Organisation Picker Exposes Hidden Organisation Metadata to Unauthorized Users
Affected versions of MISP expose organisation metadata through the dashboard organisation picker without applying the same visibility restrictions enforced by the normal organisation index and per-organisation view. The affected endpoint returned fields inclu…
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Medium 5.3
MISP Dashboard Template REST API Exposes Template Owner Email Addresses to Unauthorized Users
Affected versions of MISP inconsistently enforced email-address visibility in DashboardsController::listTemplates(). The query always fetched User.email, while redaction happened only inside the non-REST rendering branch. As a result, the same authenticated u…
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High 7.1
MISP Missing Authorization in Cryptographic Key View Exposes Signing Keys from Protected Events
Affected versions of MISP do not enforce parent-event visibility when serving cryptographic keys through CryptographicKeysController::view(). The vulnerable handler queried CryptographicKey directly using the supplied key ID and selected sensitive fields such…
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Medium 5.1
MISP User Homepage Validation Allows Authenticated Open Redirect via Protocol-Relative URL
Affected versions of MISP validate the user-configurable homepage by checking only whether the supplied path begins with /. That check is insufficient because protocol-relative URLs such as //attacker.example also begin with / but resolve to an external origi…
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High 7.1
MISP Missing Authorization on Template File Upload Allows Authenticated Disk Exhaustion
Affected versions of MISP allow any authenticated user to access TemplatesController::uploadFile() because the ACL entry for templates/uploadFile used the wildcard *. This bypasses the intended role restrictions applied to neighboring template-management oper…
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Medium 5.3
MISP Freetext Feed Preview Improper Authorization Exposes Restricted Event and Feed Information
Affected versions of MISP contain improper authorization checks in the freetext feed preview functionality. The preview performed correlation lookups against attributes from events without applying the requesting user's ACL, allowing restricted event correlat…
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High 7.1CVE-2026-86283 Public exploit
MISP UiBeta Collection View Bypasses Event ACL, Exposing Unauthorized Event Data
MISP's UiBeta theme collection view (app/View/Themed/UiBeta/Collections/view.ctp) performed a secondary query of member events by UUID without applying the caller's access control list (ACL). The CollectionsController::view() action correctly resolved collect…
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Medium 6.2
Cross-Site Request Forgery via Attacker-Controlled REST Detection in MISP
A cross-site request forgery (CSRF) vulnerability exists in MISP due to form-security and CSRF protections being disabled based on whether an incoming request was identified as a REST request. MISP's REST detection can be influenced by request properties such…
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High 8.6
MISP Sharing Group Quick-Edit Actions Allow CSRF via State-Changing GET Requests
MISP contains a cross-site request forgery (CSRF) vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the __initialiseSGQuickEdit() helper, where the HTTP method validation intended to …
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High 8.3
MISP Attribute Deletion Authorization Bypass Allows Users Without Modify Permissions to Delete Attributes
An incorrect authorization vulnerability in MISP allowed authenticated users to delete attributes from events despite lacking the required perm_modify or perm_modify_org permissions. The affected attribute deletion paths relied on organization membership chec…
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High 7.6
MISP Sharing Group Authorization Bypass via Omitted Distribution Parameter
An authorization flaw in MISP allowed an authenticated user to submit a sharing_group_id without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of …
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High 7.1
MISP Event Template Definition Validation Bypass Allows Persistent Denial of Service
A vulnerability in MISP's event template handling allowed an authenticated user with permission to create or modify event templates to bypass validation of the template definition field. The EventTemplate::beforeValidate() method only performed semantic valid…
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High 7.6
Session Fixation in MISP CustomAuth Authentication Allows Session Hijacking
MISP contains a session fixation vulnerability in the CustomAuth authentication (a custom configuration) flow. When a user was successfully authenticated through CustomAuth, MISP stored the authenticated user identity in the existing session without first rot…
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High 8.6
Missing Rate Limiting in Email OTP Verification Allows Brute-Force Authentication Bypass
A vulnerability in MISP's email-based one-time password (OTP) authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The email_otp() endpoint did not apply brute-force protection when validating submitted OTP v…
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High 8.8
MISP cullEmptyEvents CSRF Allows Irreversible Deletion of Events via GET Request
A cross-site request forgery (CSRF) vulnerability existed in the cullEmptyEvents action of MISP. The endpoint performed a state-changing and irreversible operation while accepting HTTP GET requests. Because bodyless GET requests are not subject to CakePHP's C…
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Medium 5.3
MISP Dashboard Button Widget Allows Persistent JavaScript URL Injection
A persistent unsafe URL injection vulnerability exists in the MISP dashboard ButtonWidget configuration. Dashboard widget URLs were validated only when the widget was rendered and were not validated when the configuration was saved. As a result, an authentica…
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Medium 6.1
Reflected Cross-Site Scripting in MISP Event Filtering via taggedAttributes and galaxyAttachedAttributes Parameters
MISP contains a reflected Cross-Site Scripting (XSS) vulnerability in the event attribute filtering query builder. The taggedAttributes and galaxyAttachedAttributes URL parameters were inserted into the query-builder rules without HTML escaping before being s…
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Medium 5.3
MISP OnDemand Correlation Engine Missing Access Control Allows Disclosure of Restricted Correlations
MISP contains an authorization flaw in the OnDemand correlation engine where correlations were calculated solely from matching attribute values without applying the distribution, sharing group, organization, or other access-control restrictions associated wit…
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High 7.6
MISP CurlClient TLS Peer Verification Disabled by Default Enables Man-in-the-Middle Attacks
MISP contains an improper TLS certificate validation vulnerability in CurlClient. The CurlClient::$verifyPeer property was not explicitly initialized and therefore defaulted to null. When passed to cURL, this value effectively disabled TLS peer verification u…
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Critical 9.5
MISP LDAP and LinOTP Authentication Bypass via Empty or Invalid Credentials
MISP contains an authentication bypass vulnerability in its LDAP and LinOTP authentication components due to insufficient validation of user-supplied credentials. The custom LdapAuthenticate and LinOTPAuthenticate components replace CakePHP's FormAuthenticate…
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Medium 6.3
Cross-Document Parser State Contamination in misp-stix
A parser state isolation vulnerability in misp-stix could cause data from a previously processed STIX document to be retained and incorporated into the MISP event generated from a subsequent document when the same parser instance is reused. Several STIX 1 and…
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High 8.7
Denial of Service in MISP-STIX Import via Malformed or Oversized STIX Documents in misp-stix library
A denial-of-service vulnerability was identified in misp-stix when processing attacker-controlled STIX 1 or STIX 2 documents. The STIX import code used sys.exit() to handle several parsing and loading failures. Because SystemExit inherits from BaseException r…
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High 8.8
Path Traversal in MISP Object Template Resolution During STIX Import and Export in misp-stix library
A path traversal vulnerability existed in the handling of MISP object template names during STIX 2 import and MISP-to-STIX 2 export. MISP object names are passed to PyMISP's object-template resolution mechanism, which constructs a filesystem path by joining t…
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Medium 6.9
STIX2 Parser Confusion and Mass Assignment Allow Unauthorized MISP Attribute Metadata Injection in misp-stix library
A vulnerability in misp-stix could allow a crafted STIX document to influence security-sensitive MISP attribute metadata during import. The STIX import logic automatically selected between the internal MISP parser and the external STIX parser based on metadat…
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Medium 5.3
cti-transmute CSRF Allows Unauthorized Follow and Notification State Changes
Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests: * /account/follow * /account/delete_notification * /account/mark_notification_read * /account/mark_all_read These endpoints require authentication, but b…