GitHub Advisory Databaseの情報
10月17日(土)
Claude Agent SDK: Argument Injection via resume Option Allows Arbitrary Command Execution
影響: pip:claude-agent-sdk < 0.2.121 → 0.2.121 The Claude Agent SDK for Python passed the resume option to the Claude CLI without validation, allowing a value beginning with - to be interpreted as a separate CLI flag. An attacker who controlled the resume value could inject an --mcp-config flag defining a stdio MCP server, resulting in arbitrary command execution at CLI startup that bypassed the SDK's permission controls. Exploitation required an application to pass untrusted input as the session ID to resume. Users are advised to update to…
10月16日(金)
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.…