Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)

SummaryWhen setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt.However users may consider their system prompt confidential, so we consider this a security issue.Compare...

CVE-2026-56259 Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution

Crawl4AI before 0.8.8 contains credential exfiltration vulnerabilities in the Docker API server that allow attackers to redirect LLM API calls to attacker-controlled endpoints and read arbitrary environment variables. Attackers can exploit the unauthenticated /md, /llm, and /llm/job endpoints by...

PT-2026-49776

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.26 Description An issue exists in hostname validation where trailing-dot notation in model or workspace-derived URLs can be used to bypass blocklist comparisons. This occurs because hostname checks treat hosts...

CVE-2026-44563

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints accept any model name from the user and forward the request to the Ollama backend without checking whether the...

How Exposed Endpoints Increase Risk Across LLM Infrastructure

As more organizations run their own Large Language Models LLMs, they are also deploying more internal services and Application Programming Interfaces APIs to support those models. Modern security risks are being introduced less from the models themselves and more from the infrastructure that...