{"schema":"threatline.record/2","record":{"id":"CVE-2026-100534","aliases":["GHSA-g24w-m94m-59qc"],"summary":"OpenClaw before 2026.8.1 Session Cancellation Authorization Bypass","details":"OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in webhook TaskFlow cancellation that allows attackers to cancel unrelated sessions. An attacker with a webhook route secret can supply an arbitrary child session key to cancel ACP or subagent work outside the route's configured authority.","categories":["Unclassified"],"product":"OpenClaw","vendor":"OpenClaw","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100534","source_modified_at":"2026-09-28T17:43:08.927Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"OpenClaw","vendor":"OpenClaw","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"2026.8.1"},{"version":"2026.8.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100534","source_modified_at":"2026-09-28T17:43:08.927Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"OpenClaw","ecosystem":null},"version":"2026.8.1","basis":"first unaffected version stated in the CVE record"}],"cvss":2.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00266,"percentile":0.17537,"score_date":"2026-10-23"},"published_at":"2026-09-26T02:18:34.477Z","modified_at":"2026-09-28T17:43:08.927Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100534","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-28T17:43:08.927Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100534","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-g24w-m94m-59qc","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-session-cancellation-authorization-bypass","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-28T17:42:54.296816Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-28T17:43:08.927Z","content_hash":"f30a8fc680204f3720a4ac2c7f8ab165c2e3522cabb98d224aad4a6f67c34d0b"}}