{"record":{"id":"ec1de258203a4deb","repo":"BerriAI/litellm","slug":"file-blocked-by-prompt-security-violations","errorCode":null,"errorMessage":"File blocked by Prompt Security. Violations: {', '.join(violations)}","messagePattern":"File blocked by Prompt Security\\. Violations: (.+?)","errorType":"http","errorClass":"HTTPException","httpStatus":400,"severity":"error","filePath":"litellm/proxy/guardrails/guardrail_hooks/prompt_security/prompt_security.py","lineNumber":467,"sourceCode":"\n        if not url.startswith(\"data:\"):\n            return item\n\n        try:\n            header, encoded = url.split(\",\", 1)\n            file_data: Final = base64.b64decode(encoded)\n            mime_type: Final = header.split(\";\")[0].split(\":\")[1]\n            extension: Final = mime_type.split(\"/\")[-1]\n            filename: Final = f\"image.{extension}\"\n\n            sanitization_result: Final = await self.sanitize_file_content(\n                file_data, filename, user_api_key_alias=user_api_key_alias\n            )\n            action: Final = sanitization_result.get(\"action\")\n\n            if action == \"block\":\n                violations: Final = sanitization_result.get(\"violations\", [])\n                raise HTTPException(\n                    status_code=400,\n                    detail=f\"File blocked by Prompt Security. Violations: {', '.join(violations)}\",\n                )\n\n            if action == \"modify\":\n                sanitized_content: Final = sanitization_result.get(\"content\", \"\")\n                if sanitized_content:\n                    sanitized_encoded: Final = base64.b64encode(sanitized_content.encode()).decode()\n                    sanitized_url: Final = f\"{header},{sanitized_encoded}\"\n                    if isinstance(image_url_data, dict):\n                        image_url_data[\"url\"] = sanitized_url\n                    else:\n                        item[\"image_url\"] = sanitized_url\n                    verbose_proxy_logger.info(\"File content modified by Prompt Security\")\n\n            return item\n        except HTTPException:\n            raise","sourceCodeStart":449,"sourceCodeEnd":485,"githubUrl":"https://github.com/BerriAI/litellm/blob/77b7c6c40c0c5aa5fbcb1d6a1825ac39ca8829b8/litellm/proxy/guardrails/guardrail_hooks/prompt_security/prompt_security.py#L449-L485","documentation":"Error \"File blocked by Prompt Security. Violations: {', '.join(violations)}\" thrown in BerriAI/litellm.","triggerScenarios":"Thrown at litellm/proxy/guardrails/guardrail_hooks/prompt_security/prompt_security.py:467 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Remove the violating content from the file before sending.","Review the Prompt Security file scanning policies that produced the violations."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"77b7c6c40c0c5aa5fbcb1d6a1825ac39ca8829b8","analyzedAt":"2026-08-18T11:44:31.656Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}