---
title: "CVE-2026-109331: Network-AI - Security Control Bypass"
description: "Network-AI 5.14.0 < 5.15.2 contains a security control bypass caused by incomplete deny pattern matching in ClaudeHookBridge PreToolUse hook, letting prompt-injected agents write web shells or execute scripts, exploit requires crafted input with multiple fields."
url: https://panop.io/threat-heartbeat/CVE-2026-109331/
---

# CVE-2026-109331 Network-AI - Security Control Bypass

Network-AI 5.14.0 < 5.15.2 contains a security control bypass caused by incomplete deny pattern matching in ClaudeHookBridge PreToolUse hook, letting prompt-injected agents write web shells or execute scripts, exploit requires crafted input with multiple fields.

CVSS base score 7.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.14% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-109331)

## Details

Type

Security Control Bypass

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

12 October 2026

Updated

15 October 2026

Weakness

[CWE-436](https://cwe.mitre.org/data/definitions/436.html)

## Vendor fix

Upgrade to version 5.15.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-109331](https://nvd.nist.gov/vuln/detail/CVE-2026-109331)
- [https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-9p2w-prp8-5722](https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-9p2w-prp8-5722)
- [https://www.vulncheck.com/advisories/network-ai-5.14.0-before-5.15.2-deny-pattern-bypass-via-claudehookbridge-extractfulltarget](https://www.vulncheck.com/advisories/network-ai-5.14.0-before-5.15.2-deny-pattern-bypass-via-claudehookbridge-extractfulltarget)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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