OpenClaw: `fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects

Impact

fetchWithSsrFGuard replays unsafe request bodies across cross-origin redirects.

A guarded fetch could resend unsafe request bodies or headers when following cross-origin redirects.

OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.

Affected Packages / Versions

• Package: openclaw (npm)
• Affected versions: <2026.3.31
• Patched versions: 2026.4.8

Fix

The issue was fixed on main and is available in the patched npm version listed above. The verified fixed tree is commit d7c3210cd6f5fdfdc1beff4c9541673e814354d5.

Verification

The fix was re-checked against main before publication, including targeted regression tests for the affected security boundary.

Credits

Thanks @BG0ECV for reporting.