CVE-2026-28457
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
Lifecycle Timeline
3Tags
Description
OpenClaw versions prior to 2026.2.14 contain a path traversal vulnerability in sandbox skill mirroring (must be enabled) that uses the skill frontmatter name parameter unsanitized when copying skills into the sandbox workspace. Attackers who provide a crafted skill package with traversal sequences like ../ or absolute paths in the name field can write files outside the sandbox workspace root directory.
Analysis
OpenClaw versions before 2026.2.14 allow local attackers to write arbitrary files outside the sandbox directory through path traversal sequences in crafted skill package names when sandbox skill mirroring is enabled. An attacker can exploit this by providing a malicious skill package with traversal patterns like ../ or absolute paths in the frontmatter name parameter, potentially compromising system integrity. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.
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External POC / Exploit Code
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GHSA-xw4p-pw82-hqr7