CyberSecBulletin

MISP vulnerabilities

We track 66 vulnerabilities in MISP products across 6 products. 66 are rated high or critical, and none are known to be exploited. The most recent was published on November 12, 2026.

66vulnerabilities
13critical
53high
0exploited
8.3average CVSS score

Latest MISP vulnerabilities

  • 8.7 High severity

    misp-stix: Uncontrolled Resource Consumption

    CVE-2026-77755MISP

    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 ra

  • 8.8 High severity

    misp-stix: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-77751MISP

    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 th

  • 8.7 High severity

    cti-transmute: Server-Side Request Forgery

    CVE-2026-73160MISP

    Affected versions of cti-transmute contain an SSRF vulnerability in the /fetch_misp_event and /misp_search_events endpoints. The URL validation routine checked whether a supplied hostname was itself an IP literal and rejected private, loopback, link-local, or

  • 8.8 High severity

    cti-transmute: Cross-Site Request Forgery

    CVE-2026-69082MISP

    CTI-Transmute contained a cross-site request forgery vulnerability in the administrative user deletion functionality. The /account/delete/<id> endpoint accepted HTTP GET requests for an operation that modified application state. An unauthenticated remote attac

  • 8.7 High severity

    cti-transmute: Allocation of Resources Without Limits or Throttling

    CVE-2026-69079MISP

    CTI-Transmute contains an uncontrolled resource-consumption vulnerability in the unauthenticated /activity_timeline endpoint. The endpoint accepts a user-controlled days query parameter that was not restricted to a reasonable range. A remote, unauthenticated a

  • 8.8 High severity

    cti-transmute: Server-Side Request Forgery

    CVE-2026-69078MISP

    CTI-Transmute is affected by a server-side request forgery vulnerability in the evaluation report PDF-generation functionality. User-controlled CTI content, including conversion names, descriptions, and comments, is converted from Markdown to HTML and rendered

  • 7.8 High severity

    misp: URL Redirection to Untrusted Site

    CVE-2026-67178MISP

    MISP installation scripts generated an Apache HTTP virtual-host configuration containing an incorrectly formatted HTTP-to-HTTPS redirect: Redirect permanent / https://misp.example Apache’s Redirect directive appends any portion of the requested path that follo

  • 8.3 High severity

    misp-modules: Server-Side Request Forgery

    CVE-2026-62143MISP

    A Server-Side Request Forgery (SSRF) protection bypass existed in the html_to_markdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses wer

  • 7.2 High severity

    misp: Inclusion of Functionality from Untrusted Control Sphere

    CVE-2026-56447MISP

    MISP allowed an authenticated site administrator to set the Kafka_rdkafka_config setting to an arbitrary filesystem path. MISP subsequently parsed the referenced INI file and passed its options to rdkafka. A crafted attacker-controlled configuration file could

  • 7.2 High severity

    misp: Improper Control of Generation of Code

    CVE-2026-56446MISP

    MISP allowed a site administrator to configure an arbitrary filesystem path for the NDJSON error log used by JsonLogTool. Because log entries can include attacker-controlled content, an authenticated attacker with site administrator privileges could direct log

  • 8.8 High severity

    misp: Session Fixation

    CVE-2026-56425MISP

    The Azure Active Directory (AAD) authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session i

  • 8.8 High severity

    misp: Authorization Bypass Through User-Controlled Key

    CVE-2026-56424MISP

    MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with t

  • 8.8 High severity

    misp: Missing Authorization

    CVE-2026-56423MISP

    MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected

  • 9.4 Critical severity

    misp: Authorization Bypass Through User-Controlled Key

    CVE-2026-56422MISP

    Multiple MISP core controllers and model capture paths accepted client-controlled request fields such as primary keys (id) and ownership/scope foreign keys (event_id, org_id, user_id, sharing_group_id, galaxy_cluster_uuid, organisation_uuid, and related nested

  • 8.8 High severity

    misp: Authorization Bypass Through User-Controlled Key

    CVE-2026-54361MISP

    MISP contained multiple mass assignment vulnerabilities in the handling of collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should have remained server-controlled, including r

  • 8.4 High severity

    misp: Authorization Bypass Through User-Controlled Key

    CVE-2026-54360MISP

    A mass assignment vulnerability exists in MISP’s sharing group creation endpoint. When creating a new sharing group, the controller did not remove a user-supplied id field before saving the submitted data. In CakePHP, supplying a primary key in the save data c

  • 7.1 High severity

    misp: Cross-Site Request Forgery

    CVE-2026-54359MISP

    MISP contains an insecure default configuration in which the Security.check_sec_fetch_site_header control is disabled. When this setting is disabled, state-changing requests such as POST, PUT, or AJAX requests are not restricted based on the browser-provided S

  • 7.5 High severity

    misp: Incorrect Authorization

    CVE-2026-54358MISP

    An incorrect authorization vulnerability in MISP allows an organization administrator to target site administrator accounts belonging to the same organization through the administrative email functionality. The affected code restricted organization administrat

  • 9.0 Critical severity

    misp: Improper Privilege Management

    CVE-2026-10868MISP

    A mass assignment vulnerability exists in the MISP user edit functionality due to insufficient filtering of user-supplied fields in UsersController::edit(). When processing edit requests, the application accepted a user-controlled User.id value from request da

  • 8.1 High severity

    A security issue was fixed in the correlations over-correlation endpoint where the order query…

    CVE-2026-10863MISP

    A security issue was fixed in the correlations over-correlation endpoint where the order query parameter was accepted from user-controlled named request parameters. This allowed an authenticated user to override the server-defined ordering of over-correlating

  • 10.0 Critical severity

    misp: Improper Authentication

    CVE-2026-10611MISP

    An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement. In deployments configured with LdapAuth.mixedAuth=true and Security.require_otp=true, users authenticated through an authentication plugin, su

  • 7.5 High severity

    misp: Uncontrolled Resource Consumption

    CVE-2026-9137MISP

    The CSP report endpoint in MISP intended to limit logged CSP reports to 1 KB but incorrectly allowed reports up to 1 MB before truncation. On deployments where the endpoint is reachable by untrusted clients, this could allow attackers to generate excessive log

  • 7.2 High severity

    MISP: Incorrect Authorization

    CVE-2026-44380MISP

    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

  • 9.3 Critical severity

    misp-modules: Cross-Site Request Forgery

    CVE-2026-44364MISP

    MISP modules are autonomous modules that can be used to extend MISP for new services. In 3.0.7 and earlier, a Cross-Site Request Forgery vulnerability in the MISP Modules website allowed an attacker to cause an authenticated user to submit unintended requests

  • 9.6 Critical severity

    MISP: Improper Neutralization of Special Elements used in an LDAP Query

    CVE-2026-39962MISP

    MISP is an open source threat intelligence and sharing platform. Prior to 2.5.36, improper neutralization of special elements in an LDAP query in ApacheAuthenticate.php allows LDAP injection via an unsanitized username value when ApacheAuthenticate.apacheEnv i

  • 9.8 Critical severity

    misp: Unrestricted Upload of File with Dangerous Type

    CVE-2024-25674MISP

    An issue was discovered in MISP before 2.4.184. Organisation logo upload is insecure because of a lack of checks for the file extension and MIME type.