CVE-2026-24052: Claude Code domain validation bypass enables arbitrary requests

# CVE-2026-24052: Claude Code domain validation bypass enables arbitrary requests

https://gcdradar.vercel.app/incidents/cve-2026-24052-claude-code-domain-validation-bypass-enables · AIR-2026-0447 · closed 2026-02-03

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-02-03
- AI role: Attack on AI
- Products: Claude Code
- CVE ids: CVE-2026-24052
- CVSS: 7.1

## Summary

Claude Code contained an insufficient URL validation mechanism in trusted domain verification. The flaw could allow automatic requests to attacker-controlled domains, leading to potential data exfiltration.

## What to do

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

## Latest updates

- 2026-02-03: CVE-2026-24052: Claude Code is an agentic coding tool. (https://nvd.nist.gov/vuln/detail/CVE-2026-24052)
- 2026-02-03: CVE-2026-24052: Claude Code has a Domain Validation Bypass which Allows Automatic Requests to Attacker-Controlled Domains (https://github.com/advisories/GHSA-vhw5-3g5m-8ggf)

## Sources

- 2026-02-03 GitHub Advisory Database: CVE-2026-24052: Claude Code has a Domain Validation Bypass which Allows Automatic Requests to Attacker-Controlled Domains https://github.com/advisories/GHSA-vhw5-3g5m-8ggf
- 2026-02-03 NVD: CVE-2026-24052: Claude Code is an agentic coding tool. https://nvd.nist.gov/vuln/detail/CVE-2026-24052

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