OpenClaw: Leaf subagents could steer sibling sessions across sandbox boundaries
Summary
In affected versions of openclaw, sandboxed leaf subagents could still access the subagents control surface and resolve against the parent requester scope instead of remaining confined to their own session tree.
Impact
A low-privilege sandboxed leaf worker could steer or kill a sibling run owned by the same requester and cause that sibling to execute with its own broader tool policy. This is a sandbox and session-scope boundary bypass.
Affected Packages and Versions
- Package:
openclaw(npm) - Affected versions:
<= 2026.3.8 - Fixed in:
2026.3.11
Technical Details
Leaf subagents retained the subagents tool, and subagent control requests were authorized against the parent requester scope rather than the caller's own spawned descendants. The control path prevented only self-targeting, not cross-sibling steering.
Fix
OpenClaw now removes subagents control access from leaf subagents by default, scopes subagent control to the caller's own descendants, and rejects steer and kill requests that target runs outside that descendant tree. The fix shipped in openclaw@2026.3.11.
Workarounds
Upgrade to 2026.3.11 or later.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | openclaw | < 2026.3.11 | 2026.3.11 |
Referencias
- Vector CVSS
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- Debilidad (CWE)
CWE-269- Plataforma
- npm
- Paquete
openclaw- Publicada
- 13.03.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-4w7m-58cg-cmff - CC BY 4.0
Historial de vulnerabilidades: openclaw
Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 588
- Primera → última
- 02.2026 07.2026
- Sin corrección
- 9
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 20
- Alta 215
- Media 299
- Baja 54
Divulgaciones por año
- 2026: 588
-
OpenClaw: Leaf subagents could steer sibling sessions across sandbox boundaries esta entrada
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