GHSA-gfmx-pph7-g46x — OpenClaw: Lower-trust background runtime output is injected into trusted `System:` events, and local async exec complet…

Affected: npm: openclaw

## Impact

Lower-trust background runtime output is injected into trusted `System:` events, and local async exec completion misses the intended `exec-event` downgrade.

Lower-trust runtime/background output could be promoted into trusted System events, allowing prompt-injection into later agent turns.

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: `<= 2026.4.2` - 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 @tdjackey for reporting.

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GHSA-gfmx-pph7-g46x — OpenClaw: Lower-trust background runtime output is injected into trusted `System:` events, and local async exec complet…