CVE-2026-35580 — AI Deep Analysis Summary

🚨 **Essence**: CVE-2026-35580 is a **Command Injection** flaw in Emissary. 💥 **Consequences**: Attackers can inject arbitrary shell commands via GitHub Actions workflows.…

🛡️ **Root Cause**: **CWE-77** (Command Injection). 🐛 **Flaw**: GitHub Actions workflow files contain a **shell injection point**.…

📦 **Affected**: **National Security Agency's Emissary**. 📅 **Versions**: All versions **before 8.39.0**.…

🔓 **Capabilities**: Hackers can execute **arbitrary shell commands**. 🎯 **Impact**: With **repository write permissions**, attackers can poison the codebase.…

🔑 **Threshold**: **Medium/High**. ⚠️ **Requirement**: The attacker needs **Repository Write Permissions** (PR:H). 🌐 **Access**: Network accessible (AV:N). 🚫 **UI**: No user interaction needed (UI:N).

📜 **Exploit Status**: **No public PoC** listed in the data (POCs: []). 🔍 **Status**: Referenced via GitHub Security Advisory (GHSA) and PRs. Wild exploitation is likely limited to those with repo access.

🔍 **Self-Check**: Scan for Emissary versions **< 8.39.0**. 📂 **Audit**: Review GitHub Actions workflow files for unsafe `${{ }}` expressions in shell commands.…

✅ **Fix**: **Yes**. 📥 **Patch**: Upgrade to **Emissary 8.39.0** or later. 🔗 **Reference**: See GitHub PR #1288 and #1286 for the official fix details.

🚧 **Workaround**: If patching is delayed, **restrict repository write permissions**. 🛑 **Mitigation**: Strictly validate and sanitize all inputs used in `${{ }}` expressions within workflow files.…

⚡ **Urgency**: **HIGH**. 🚨 **Priority**: Immediate action required for affected repos. ⚠️ **Risk**: Supply chain attacks are severe. Upgrade to v8.39.0 ASAP to prevent repo poisoning.