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
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-08-13CVE-2026-73614: Network-AI ClaudeHookBridge before 5.15.1 truncates the target string to 500 characters before evaluating denyPatterns, while…NVD · nvd.nist.gov/vuln/detail/CVE-2026-73614
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
- lane
- Patch now
- 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
- NVDVulnerability 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.
Related
- closed7.1neuro-cortex-memory CVE-2026-49986: Cortex MCP Server vulnerability allows improper developer root validation
Patch now · Disclosed · since 14 Aug 2026 · CVE-2026-49986
AI - closed7.7Claude Code + SDKs CVE-2026-88968: Path traversal flaw in Claude Code allows arbitrary file overwrite
Patch now · Disclosed · Patched · since 3 Nov 2026 · updated 9 Nov 2026 · CVE-2026-88968
AI - closed9.2Claude Code + SDKs CVE-2026-96620: Claude Agent SDK Command Injection Vulnerability
Patch now · Disclosed · since 16 Oct 2026 · CVE-2026-96620
AI - closed7.5Claude Code + SDKs CVE-2026-86063: Claude Code plugin installation flow hash pin bypass vulnerability
Patch now · Disclosed · since 13 Oct 2026 · updated 15 Oct 2026 · CVE-2026-86063
AI - closed7.7Claude Code + SDKs CVE-2026-103435: Time-of-check to time-of-use vulnerability in Claude Code sandbox
Patch now · Disclosed · since 7 Oct 2026 · CVE-2026-103435
AI - closed2.0Claude Code + SDKs CVE-2026-103012: Claude Code API Key Precedence Policy Bypass
Patch now · Disclosed · since 30 Sep 2026 · CVE-2026-103012
AI