{"cve":"CVE-2026-35636","nvd":{"published":"2026-04-09T22:16:32.750","modified":"2026-06-17T10:40:56.010","status":"Analyzed","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.","cvss_v4":{"vector":"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","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-696"],"references":["https://github.com/openclaw/openclaw/commit/d9810811b6c3c9266d7580f00574e5e02f7663de","https://github.com/openclaw/openclaw/security/advisories/GHSA-q2qc-744p-66r2","https://www.vulncheck.com/advisories/openclaw-session-isolation-bypass-via-sessionid-resolution"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-35636","score":0.00259,"percentile":0.17647,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-q2qc-744p-66r2","url":"https://osv.dev/vulnerability/GHSA-q2qc-744p-66r2","summary":"OpenClaw: `session_status` sessionId resolution bypasses sandboxed session-tree visibility","modified":"2026-07-08T08:26:45.891122991Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":[">=2026.3.11 <2026.3.28"],"fixed":["2026.3.28"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}