CVE-2025-3248 — AI Deep Analysis Summary

🚨 **CVE-2025-3248: Langflow Remote Code Execution** 💥 **Essence:** A critical code injection flaw in the `/api/v1/validate/code` endpoint. ⚠️ **Consequences:** Attackers can execute arbitrary system commands on the hos…

🛡️ **Root Cause: CWE-306 (Missing Authentication for Critical Function)** 🔍 **The Flaw:** The validation endpoint fails to properly sanitize or authenticate inputs before processing. 💣 **Mechanism:** It allows unauthen…

📦 **Affected Product:** Langflow (Open-source LLM app builder). 📅 **Vulnerable Versions:** All versions **prior to 1.3.0**. 🏢 **Vendor:** langflow-ai. 🌐 **Component:** Specifically the `/api/v1/validate/code` API endp…

👑 **Attacker Privileges:** Remote, Unauthenticated. 💻 **Capabilities:** - Execute **ANY** system command (e.g., `ls`, `cat`, `rm`). - Read sensitive configuration files. - Install backdoors or malware. - Pivot to intern…

🔓 **Exploitation Threshold: LOW** 🚫 **Authentication Required:** NONE. (PR:N) 🌐 **Attack Vector:** Network. (AV:N) 🎯 **Complexity:** Low. (AC:L) 👤 **User Interaction:** None.…

🔥 **Public Exploits: YES** 📜 **POCs Available:** - `poc.py` by PuddinCat (Simple command execution). - Nuclei templates by ProjectDiscovery. - Advanced scanner by xuemian168 (FOFA integration). 🌍 **Wild Exploitation:**…

🔍 **Self-Check Methods:** 1. **Version Check:** Verify your Langflow version is < 1.3.0. 2.…

🛠️ **Official Fix: YES** 📦 **Patch Version:** **Langflow 1.3.0**. 🔗 **Reference:** See GitHub release notes and PR #6911. ✅ **Action:** Upgrade immediately to v1.3.0 or later to patch the code injection vulnerability.

🚧 **No Patch? Workarounds:** 1. **Network Isolation:** Block external access to port 7860 (default Langflow port). 2. **WAF Rules:** Block requests to `/api/v1/validate/code` containing code injection patterns. 3.…

🚨 **Urgency: CRITICAL (P0)** 📊 **Priority:** Immediate Action Required. ⏱️ **Reason:** - CVSS Score: 9.8 (Critical). - Unauthenticated RCE. - Public PoCs available. - High value target (LLM infrastructure). 🏃 **Action…