🛡️ CVE-2026-24052
🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-601 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Claude Code is an agentic coding tool. Prior to version 1.0.111, Claude Code contained insufficient URL validation in its trusted domain verification mechanism for WebFetch requests. The application used a startsWith() function to validate trusted domains (e.g., docs.python.org, modelcontextprotocol.io), this could have enabled attackers to register domains like modelcontextprotocol.io.example.com that would pass validation. This could enable automatic requests to attacker-controlled domains without user consent, potentially leading to data exfiltration. This issue has been patched in version 1.0.111.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CWE CWE-601
Public Exploit ✅ No
Source NVD
Published 2026-02-03
Updated 2026-06-02
Modified 2026-02-03
Fix URL N/A

Affected Packages

Software From version Fixed in
@anthropic-ai/claude-code — —
claude-code — 1.0.111

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