# CVE-2026-35636

## Summary

- **CVE ID:** CVE-2026-35636
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-696
- **Published:** Apr 9, 2026
- **Last Modified:** Jun 23, 2026

## Description

OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. Sandboxed child sessions can exploit this to access parent or sibling sessions that should be blocked by explicit sessionKey restrictions.

## Affected Products

- OpenClaw — OpenClaw (2026.3.11)
- OpenClaw — OpenClaw (2026.3.25)

## References

- [CNA](https://github.com/openclaw/openclaw/security/advisories/GHSA-q2qc-744p-66r2)
- [CNA](https://github.com/openclaw/openclaw/commit/d9810811b6c3c9266d7580f00574e5e02f7663de)
- [CNA](https://www.vulncheck.com/advisories/openclaw-session-isolation-bypass-via-sessionid-resolution)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._