← WebKit Silent-Fix Report — 2026-W21

9850353d12  Move GPU process's temp directory to container

severity low class SandboxEscape confidence 0.40 WebKit GPUProcess sandbox
Per Arne Vollan Mon May 18 09:46:46 2026 -0700 full: 9850353d12604f5d42a63301fc99295f72b58253 bug report ↗ view on GitHub ↗
Primitive: n/a
Triage note: Sandbox/containerization hardening for the GPU process.

Security-relevant, below the exploitable-grade bar for a full root-cause writeup. The triage verdict is above; the side-by-side patch is below.

Before / after

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