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Description

OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability allowing leaf subagents to access the subagents control surface and resolve against parent requester scope instead of their own session tree. A low-privilege sandboxed leaf worker can steer or kill sibling runs and cause execution with broader tool policies by exploiting insufficient authorization checks on subagent control requests.

PUBLISHED Reserved 2026-03-16 | Published 2026-03-29 | Updated 2026-03-30 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
HIGH: 8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Problem types

Incorrect Authorization

Product status

Default status
unaffected

Any version before 2026.3.11
affected

2026.3.11 (semver)
unaffected

Credits

tdjackey reporter

References

github.com/...enclaw/security/advisories/GHSA-4w7m-58cg-cmff (GitHub Security Advisory (GHSA-4w7m-58cg-cmff)) third-party-advisory

www.vulncheck.com/...ary-bypass-via-subagent-control-surface (VulnCheck Advisory: OpenClaw < 2026.3.11 - Sandbox Boundary Bypass via Subagent Control Surface) third-party-advisory

cve.org (CVE-2026-32915)

nvd.nist.gov (CVE-2026-32915)

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