`OpenClaw: session_status` let sandboxed subagents access parent or sibling session state
### Summary The built-in `session_status` tool did not enforce the intended session-visibility boundary. A sandboxed subagent could supply another session's `sessionKey` and inspect or modify state outside its own sandbox scope. ### Impact This allowed a sandboxed child session to read parent or sibling session data and, in affected releases, update the target session's persisted model override. ### Affected versions `openclaw` `<= 2026.3.8` ### Patch Fixed in `openclaw` `2026.3.11` and included in later releases such as `2026.3.12`. Session visibility checks now enforce the sandbox boundary before reading or mutating session state.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-32918US | —OT elevated | — | ||
OpenClaw before 2026.3.11 contains a session sandbox escape vulnerability in the session_status tool that allows sandboxed subagents to access parent or sibling session state. Atta… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/openclaw/openclawPACKAGE
- https://github.com/openclaw/openclaw/releases/tag/v2026.3.11WEB
- https://github.com/openclaw/openclaw/security/advisories/GHSA-wcxr-59v9-rxr8WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-32918ADVISORY
- https://www.vulncheck.com/advisories/openclaw-session-sandbox-escape-via-session-status-toolWEB
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