From b57b1beb612607df1bcba427788cee0a2cb038d9 Mon Sep 17 00:00:00 2001
From: Ishaan Jaff <ishaanjaffer0324@gmail.com>
Date: Mon, 15 Dec 2025 13:26:20 -0800
Subject: [PATCH] [Feat] Guardrails - litellm content filter  (#18007)

* add br ssn

* better description
---
 ...odel_prices_and_context_window_backup.json |  2 +-
 .../litellm_content_filter/patterns.json      | 56 +++++++++++++++++++
 2 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 8da7b93699e..4b016bc6ca6 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -22282,7 +22282,7 @@
         "supports_reasoning": true,
         "supports_tool_choice": true
     },
-     "openrouter/openai/gpt-5.2": {
+    "openrouter/openai/gpt-5.2": {
         "input_cost_per_image": 0,
         "cache_read_input_token_cost": 1.75e-07,
         "input_cost_per_token": 1.75e-06,
diff --git a/litellm/proxy/guardrails/guardrail_hooks/litellm_content_filter/patterns.json b/litellm/proxy/guardrails/guardrail_hooks/litellm_content_filter/patterns.json
index 193d0868072..b87bd397aad 100644
--- a/litellm/proxy/guardrails/guardrail_hooks/litellm_content_filter/patterns.json
+++ b/litellm/proxy/guardrails/guardrail_hooks/litellm_content_filter/patterns.json
@@ -317,6 +317,62 @@
       "category": "PII Patterns",
       "action": "MASK",
       "description": "Detects Dutch BSN numbers with contextual keywords"
+    },
+    {
+      "name": "br_cpf",
+      "display_name": "CPF - Brazilian Tax ID / Social Security (Formatted)",
+      "pattern": "\\b\\d{3}\\.\\d{3}\\.\\d{3}-\\d{2}\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian CPF numbers (XXX.XXX.XXX-XX format)"
+    },
+    {
+      "name": "br_cpf_no_format",
+      "display_name": "CPF - Brazilian Tax ID / Social Security (Unformatted)",
+      "pattern": "\\b\\d{11}\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian CPF numbers without formatting (11 digits)"
+    },
+    {
+      "name": "br_phone",
+      "display_name": "Brazilian Phone Number (Landline & Mobile)",
+      "pattern": "\\b(?:\\+?55[\\s.-]?)?\\(?([1-9]{2})\\)?[\\s.-]?(?:[2-9]\\d{3,4})[\\s.-]?(\\d{4})\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian phone numbers with various area codes (landline and mobile)"
+    },
+    {
+      "name": "br_phone_mobile",
+      "display_name": "Brazilian Mobile Phone Number",
+      "pattern": "\\b(?:\\+?55[\\s.-]?)?\\(?([1-9]{2})\\)?[\\s.-]?9[\\s.-]?\\d{4}[\\s.-]?\\d{4}\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian mobile phone numbers (9 prefix for mobile)"
+    },
+    {
+      "name": "br_cep",
+      "display_name": "CEP - Brazilian Zip / Postal Code",
+      "pattern": "\\b\\d{5}-\\d{3}\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian CEP postal codes (XXXXX-XXX format)"
+    },
+    {
+      "name": "br_address",
+      "display_name": "Brazilian Street Address",
+      "pattern": "\\b(?:Rua|Avenida|Av\\.|R\\.|Travessa|Alameda|Praça|Rodovia)\\s+[A-Za-zÀ-ÿ\\s]+,?\\s*(?:n[°º]?|número)?\\s*\\d+",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian street addresses with common prefixes"
+    },
+    {
+      "name": "br_cnpj",
+      "display_name": "CNPJ - Brazilian Company Tax ID",
+      "pattern": "\\b\\d{2}\\.\\d{3}\\.\\d{3}/\\d{4}-\\d{2}\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian CNPJ company registration numbers (XX.XXX.XXX/XXXX-XX format)"
+    },
+    {
+      "name": "br_rg",
+      "display_name": "RG - Brazilian National Identity Card",
+      "pattern": "\\b\\d{1,2}\\.?\\d{3}\\.?\\d{3}-?[0-9Xx]\\b",
+      "category": "Brazilian PII Patterns",
+      "description": "Detects Brazilian RG identity card numbers"
     }
   ]
 }