Claude Code: Plugin Hash Pin Bypass Allows Bypass of Hash Pinning

影響: npm:@anthropic-ai/claude-code < 2.1.179 → 2.1.179

The plugin install flow in Claude Code and Claude Desktop checked out a marketplace's pinned commit SHA using git checkout without verifying that the resulting HEAD matched the pinned SHA. An attacker controlling a plugin's upstream repository could create a branch named identically to the pinned 40-character SHA, causing the checkout to silently resolve to the attacker's branch tip instead of the reviewed commit, resulting in attacker-controlled code being installed bypassing the pinned hash.…

在 GitHub Advisory Database 阅读

2026/10/16 05:22，GitHub Advisory Database 发布了“Claude Code: Plugin Hash Pin Bypass Allows Bypass of Hash Pinning”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：JavaScript / Node.js、Anthropic (Claude)。CVE：CVE-2026-86063。