EUVD-2026-17383CVSS Vector
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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4Description
OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths inside the sandbox to redirect committed files outside the validated writable path within the container mount namespace.
Analysis
OpenClaw before 2026.3.11 allows authenticated local attackers to bypass sandbox boundaries and write files outside validated paths via a time-of-check-time-of-use race condition in the fs-bridge writeFile commit operation. An attacker with local access and sufficient privileges can exploit unanchored container paths during file move operations to redirect committed files outside the sandbox, achieving arbitrary file write capabilities within the container mount namespace. …
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