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CVE-2026-21852

technology→ stable

2Total Mentions

-0.75Sentiment (Very Negative)

+1.2%Velocity (7d)

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First seen: Apr 14, 2026Last active: 2d ago

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Regulatory ActionJan 1, 2026
Check Point Research disclosed CVE-2026-21852, a medium-severity vulnerability in Claude Code allowing API traffic redirection via malicious ANTHROPIC_BASE_URL override.
View source
cvss:
5.3
patched in:
v2.0.65

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Check Point Research
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Recent Articles

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How to Govern Claude Code Across Your Team: 4 Gaps to Fix Before the Next CVE
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Govern Claude Code by routing through an AI gateway with `ANTHROPIC_BASE_URL`, locking settings via MDM, denying filesystem access to secrets, and aud
2d ago100 relevance

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