AI agent vulnerability · OpenClaw

GHSA-gfmx-pph7-g46x: OpenClaw: Lower-trust background runtime output is injected into trusted `System:` events, and local async exec completion misses the intended `exec-event` downgrade

highCVSS 4.0 7.3

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.

Published Apr 9, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: <= 2026.4.2
Fixed in: 2026.4.8
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

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.

Credited to tdjackey.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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