{"schemaVersion":3,"id":"CVE-2026-35454","aliases":["GHSA-8x9r-hvwg-c55h","GO-2026-5270"],"status":"published","duplicateOf":null,"title":null,"description":"The Code Extension Marketplace is an open-source alternative to the VS Code Marketplace. Prior to 2.4.2, Zip Slip vulnerability in coder/code-marketplace allowed a malicious VSIX file to write arbitrary files outside the extension directory. ExtractZip passed raw zip entry names to a callback that wrote files via filepath.Join with no boundary check; filepath.Join resolved .. components but did not prevent the result from escaping the base path. 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