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GHSA-474h-prjg-mmw3

HighCVSS 8 / 10
Published Mar 3, 2026·Last modified Mar 4, 2026
Affected Components(0)

No affected components available

Description

Summary

Sandboxed sessions_spawn(runtime="acp") could bypass sandbox inheritance and initialize host-side ACP runtime. The fix now fail-closes ACP spawn from sandboxed requester sessions and rejects sandbox="require" for runtime="acp".

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version at triage time: 2026.3.1 (March 2, 2026)
  • Vulnerable range: <=2026.3.1
  • Patched release: 2026.3.2 (released)

Technical Details

  • Root cause: runtime="subagent" enforced sandbox inheritance, while runtime="acp" did not enforce equivalent sandbox/runtime checks.
  • Security impact: sandbox-boundary bypass into host-side ACP initialization.
  • Fixed behavior:
    • deny ACP spawn when requester runtime is sandboxed
    • deny sessions_spawn with runtime="acp", sandbox="require"
    • align sandboxed prompt guidance to avoid advertising blocked ACP paths

Fix Commit(s)

  • ac11f0af731d41743ba02d8595f4d0fe747336e3
  • c703aa0fe92df9fb71cf254fc46991e05fba2114
Risk Scores
Base Score
8.0

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
7.3

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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High severity
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