CVE-2026-3341

CVE-2026-3341 affects IBM Langflow Desktop 1.0.0–1.9.2. The root cause is a TOCTOU DNS rebinding flaw in SSRF protection: validate_url_for_ssrf() uses socket.getaddrinfo(), while httpx.AsyncClient() conducts a separate DNS lookup during connection, allowing an attacker-controlled DNS domain with ...

CVE-2026-6543

CVE-2026-6543 affects IBM Langflow (OSS 1.0.0–1.8.4 and Desktop 1.0.0–1.8.4). The root cause is unsafe use of Python’s exec() in the code validation endpoint (validate_code) which fails to account for decorators, enabling an authenticated attacker to trigger arbitrary code execution with the Lang...

CVE-2026-4503

The IBM advisories for CVE-2026-4503 describe an unauthenticated IDOR in Langflow’s image download endpoint. Affected: Langflow OSS/Desktop 1.0.0–1.8.4. Vulnerable component: image retrieval endpoint (GET /api/v1/files/images/{flow_id}/{file_name}) that fails to enforce authentication/ownership, ...

CVE-2026-3340

CVE-2026-3340 is a Server-Side Request Forgery (SSRF) in the IBM Langflow Desktop URL data source component affecting versions 1.0.0–1.8.4 . An authenticated attacker can cause the Langflow server to make arbitrary requests to internal or restricted network resources, potentially enabling network...