CVE-2026-21939 Oracle SQLcl 组件高危漏洞

# CVE-2026-21939 PoC Concept (Pseudo-code) # Note: Actual PoC requires specific trigger conditions and user interaction # This is a conceptual demonstration based on vulnerability description import subprocess import sys def trigger_sqlcl_vulnerability(): """ Conceptual PoC for CVE-2026-21939 Requires: Local access to SQLcl execution environment User interaction needed """ print("[*] CVE-2026-21939 - Oracle SQLcl Component Vulnerability") print("[*] Target: Oracle SQLcl versions 23.4.0 - 23.26.0") print("[*] CVSS: 7.0 (High)") # Attack prerequisites print("\n[!] Prerequisites:") print(" - Local access to system running SQLcl") print(" - Ability to social engineer user interaction") print(" - SQLcl process execution context") # Attack chain simulation print("\n[*] Attack Chain:") print(" Step 1: Attacker gains local access to SQLcl host") print(" Step 2: Prepare malicious SQLcl command/script") print(" Step 3: Induce user to execute crafted interaction") print(" Step 4: Trigger code execution in SQLcl context") print(" Step 5: Achieve complete takeover of SQLcl component") print("\n[!] Note: Actual exploitation requires specific conditions") print("[!] Check Oracle January 2026 Security Alert for details") return True if __name__ == "__main__": trigger_sqlcl_vulnerability()