What is CVE-2026-35636?

CVE-2026-35636 is a medium-severity vulnerability in Openclaw, classified under CWE-696. CVSS score: 6.5/10. Published 2026-04-09.

How severe is CVE-2026-35636?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Openclaw

CVE-2026-35636

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…

EPSS: 0.003 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openclaw — versions 2026.3.11, 2026.3.25

Weakness classification (CWE)

CWE-696

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory, third-party-advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-35636?: CVE-2026-35636 is a medium-severity vulnerability in Openclaw, classified under CWE-696. CVSS score: 6.5/10. Published 2026-04-09.
How severe is CVE-2026-35636?: Medium severity. CVSS v3 base score is 6.5 out of 10.