opencti

Note: Building connectors, contributing to the platform, or running OpenCTI in production? Join us on the Community Slack to ask questions, talk through a PR before you open it, or compare notes on integrations. Introduction OpenCTI is an open source platform allowing organizations to manage thei...

connectors

OpenCTI connectors The following repository is used to store the OpenCTI connectors for the platform integration with other tools and applications. To know how to enable connectors on OpenCTI, please read the dedicated documentation. Connectors list and statuses This repository is used to host...

OpenCTI < 6.9.13 - Authentication Bypass via User Impersonation

OpenCTI 6.9.13 allows authentication bypass by supplying a Bearer token set to the admin user's internalid UUID instead of a valid JWT. The default admin internalid 88ec0c6a-13ce-5e39-b486-354fe4a7084f grants full admin access to the GraphQL API, effectively bypassing all authentication. id:...

PT-2026-122203

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.12.8 Description Improper authentication allows a remote attacker to bypass security restrictions. This issue can be exploited via the '/api/v1/mcp/sse' endpoint, enabling attackers to hijack MCP...

opencti v7.261008.0

Note: THREAD 2026 — 15 October, Paris. Our community conference for threat intelligence and cyber defense practitioners. Talks, labs, workshops, and an evening social. Join us → Introduction OpenCTI is an open source platform allowing organizations to manage their cyber threat intelligence...

opencti v7.260930.0

Note: THREAD 2026 — 15 October, Paris. Our community conference for threat intelligence and cyber defense practitioners. Talks, labs, workshops, and an evening social. Join us → Introduction OpenCTI is an open source platform allowing organizations to manage their cyber threat intelligence...

PT-2026-99423

🚨 OpenCTI Authorization Flaw in Case Creation CVE-2026-76822 Critical Vulnerability Alert! OpenCTI is affected by CVE-2026-76822. 🔍 Identify Targets via ZoomEye: Search Dork: app="OpenCTI" Exposure: 1k instances identified globally. ZoomEye Search Link: 👉 https://t.co/C5U4m6Ej5b Infosec...

VulnCheck KEV: CVE-2026-27960

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admi...

CVE-2026-76821

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260706.0, the JSON ingestion mapper's extractWithRegexp formula function compiled a user-supplied regular expression with the JavaScript RegExp engine in...

CVE-2026-76820

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny lis...

CVE-2026-76820

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny lis...

CVE-2026-76820 OpenCTI: Synchronizer SSRF: stream fetch has no URL validation

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny lis...

CVE-2026-76820

OpenCTI, an open-source cyber threat intelligence platform, is affected by a Server-Side Request Forgery (SSRF) in the synchronizerFetch GraphQL query prior to version 7.260701.0 . The backend's fetchRemoteStreams function validated only the HTTP/HTTPS scheme without applying the ingestion deny l...

EUVD-2026-79241

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny lis...

CVE-2026-76820 OpenCTI: Synchronizer SSRF: stream fetch has no URL validation

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny lis...

CVE-2026-76820 OpenCTI: Synchronizer SSRF: stream fetch has no URL validation

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny lis...

CVE-2026-76821 OpenCTI: User-Controlled ReDoS in JSON Ingestion Mapper

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260706.0, the JSON ingestion mapper's extractWithRegexp formula function compiled a user-supplied regular expression with the JavaScript RegExp engine in...

CVE-2026-76821 OpenCTI: User-Controlled ReDoS in JSON Ingestion Mapper

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260706.0, the JSON ingestion mapper's extractWithRegexp formula function compiled a user-supplied regular expression with the JavaScript RegExp engine in...

EUVD-2026-79240

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260706.0, the JSON ingestion mapper's extractWithRegexp formula function compiled a user-supplied regular expression with the JavaScript RegExp engine in...

CVE-2026-76821 OpenCTI: User-Controlled ReDoS in JSON Ingestion Mapper

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260706.0, the JSON ingestion mapper's extractWithRegexp formula function compiled a user-supplied regular expression with the JavaScript RegExp engine in...