CVE-2026-109331EPSS p2.7%
CVE-2026-109331CVE-2026-109331
Description
Network-AI from 5.14.0 before 5.15.2 contains a security control bypass vulnerability in the ClaudeHookBridge PreToolUse hook, which matches deny patterns only against the first present candidate field. A prompt-injected agent can place dangerous payloads in fields like Write content or an MCP script parameter beside a benign file_path or command, evading denyPatterns to write web shells or execute scripts.
Scoring
| CVSS | 7.4 () |
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.14% probability of exploitation · percentile 2.7% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-12 |