{"id":48149,"date":"2026-04-20T19:45:54","date_gmt":"2026-04-20T19:45:54","guid":{"rendered":"http:\/\/localhost\/?p=48149"},"modified":"2026-04-20T19:45:54","modified_gmt":"2026-04-20T19:45:54","slug":"openclaude-has-sandbox-bypass-via-early-exit-logic-flaw-that-allows-path-traversal","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=48149","title":{"rendered":"OpenClaude has Sandbox Bypass via Early-Exit Logic Flaw that Allows Path Traversal_CVE-2026-35570"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Versions prior to 0.5.1 have a logic flaw in `bashToolHasPermission()` inside `src\/tools\/BashTool\/bashPermissions.ts`. When the sandbox auto-allow feature is active and no explicit deny rule is configured, the function returns an `allow` result immediately \u2014 before the path constraint filter (`checkPathConstraints`) is ever evaluated. This allows commands containing path traversal sequences (e.g., `..\/..\/..\/..\/..\/etc\/passwd`) to bypass directory restrictions entirely. 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Versions prior to 0.5.1 have a logic flaw in `bashToolHasPermission()` inside&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,74,12,15,13,7,11,5],"class_list":["post-48149","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-84","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OpenClaude has Sandbox Bypass via Early-Exit Logic Flaw that Allows Path Traversal_CVE-2026-35570 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=48149\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OpenClaude has Sandbox Bypass via Early-Exit Logic Flaw that Allows Path Traversal_CVE-2026-35570 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. 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