Vulnerability in Jovancoding Network-Ai
CVE-2026-109331
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Jovancoding/Network-AI/security/advisories/GHSA-9p2w-prp8-5722 (vendor-advisory)
- www.vulncheck.com/advisories/network-ai-5.14.0-before-5.15.2-deny-pattern-bypas… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109331?
- CVE-2026-109331 is a high-severity vulnerability in Jovancoding Network-Ai, classified under CWE-436. CVSS score: 7.4/10. Published 2026-10-12.
- How severe is CVE-2026-109331?
- High severity. CVSS v3 base score is 7.4 out of 10.