gcdRadar
archive/Patch now/AIR-2026-1284
closedclosed 13 Aug 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-73614: ClaudeHookBridge deny pattern bypass vulnerability

ClaudeHookBridge, Claude Code

Network-AI ClaudeHookBridge truncates strings before evaluating deny patterns, enabling attackers to bypass command restrictions. The vulnerability allows arbitrary command execution within Claude Code.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
8.8
EPSS
0.01 · top 48% · 2026-11-13
fix status
Fix status unknown
first report
13 Aug 2026
last update
13 Aug 2026

Timeline · 1

  1. 13 Aug 2026CVE-2026-73614: Network-AI ClaudeHookBridge before 5.15.1 truncates the target string to 500 characters before evaluating denyPatterns, while…

Sources · 1

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
dates
happened 13 Aug 2026 · first reported 13 Aug 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-73614: ClaudeHookBridge deny pattern bypass vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-73614-claudehookbridge-deny-pattern-bypass-vulnerab · AIR-2026-1284 · closed 2026-08-13

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-13
- AI role: Attack on AI
- Products: ClaudeHookBridge, Claude Code
- CVE ids: CVE-2026-73614
- CVSS: 8.8

## Summary

Network-AI ClaudeHookBridge truncates strings before evaluating deny patterns, enabling attackers to bypass command restrictions. The vulnerability allows arbitrary command execution within Claude Code.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-08-13: CVE-2026-73614: Network-AI ClaudeHookBridge before 5.15.1 truncates the target string to 500 characters before evaluating denyPatterns, while… (https://nvd.nist.gov/vuln/detail/CVE-2026-73614)

## Sources

- 2026-08-13 NVD: CVE-2026-73614: Network-AI ClaudeHookBridge before 5.15.1 truncates the target string to 500 characters before evaluating denyPatterns, while… https://nvd.nist.gov/vuln/detail/CVE-2026-73614

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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