CVE-2026-21852

unknown

Published 2026-01-21 · Modified 2026-02-03

CVSS v3

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CVSS v2

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VIR risk

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Description

Claude Code Leaks Data via Malicious Environment Configuration Before Trust Confirmation

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	@anthropic-ai/claude-code	`<2.0.65`	`2.0.65`

References

Verify integrity in audit chain (admin only). AS-IS.