CVE-2026-1731 — AI Deep Analysis Summary

🚨 **Critical RCE Flaw!** CVE-2026-1731 is a **Command Injection** vulnerability in BeyondTrust products. Hackers can execute arbitrary OS commands remotely.…

🛠️ **Root Cause:** CWE-78 (OS Command Injection). The flaw lies in **unsafe Bash arithmetic evaluation** within a script reachable via WebSocket.…

🏢 **Affected Products:** • BeyondTrust Remote Support (RS) • BeyondTrust Privileged Remote Access (PRA) **Platforms:** Windows, Mac, Linux, iOS. 🌐

👑 **Hacker Powers:** • **Unauthenticated RCE:** No login needed! • **Full Control:** Execute commands as the service user. • **Data Access:** Extract company IDs, read sensitive configs, and pivot to other systems. 🕵️‍♂️

📉 **Exploitation Threshold: LOW.** • **No Auth Required:** Pre-authentication. • **Easy Steps:** Extract company ID from `/get_mech_list` → Connect to WebSocket `/nw` → Inject payload. 🎯

💥 **Public Exploits Available:** • Multiple PoCs on GitHub (e.g., `win3zz`, `jakubie07`). • Nuclei templates ready for scanning. • Passive scanners exist. **Wild exploitation is highly likely.** 🔥

🔍 **Self-Check Methods:** 1. Scan for `/get_mech_list` endpoint. 2. Use Nuclei templates (`javascript/cves/2026/CVE-2026-1731.yaml`). 3. Check for WebSocket connectivity on `/nw`. 📡

🩹 **Official Fix:** • BeyondTrust released advisory **BT26-02** on 2026-02-06. • **Action:** Update to the patched version immediately via their Trust Center. 📦

🛡️ **No Patch? Mitigate:** • **Block Network:** Restrict access to WebSocket endpoints (`/nw`) and `/get_mech_list`. • **WAF Rules:** Block suspicious Bash injection patterns in WebSocket traffic. • **Isolate:** Segment …

🚨 **Priority: CRITICAL (CVSS 9.9).** • Unauthenticated RCE is a **top-tier threat**. • **Immediate Action:** Patch now or isolate. Do not wait. ⏳