{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/71903?format=json","vulnerability_id":"VCID-2amg-4khy-1ufr","summary":"OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through forced JSON parsing before signature rejection.","aliases":[{"alias":"CVE-2026-35640"},{"alias":"GHSA-3h52-cx59-c456"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/373265?format=json","purl":"pkg:npm/openclaw@2026.3.28","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/openclaw@2026.3.28"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-35640","reference_id":"","reference_type":"","scores":[{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31523","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-35640"},{"reference_url":"https://github.com/openclaw/openclaw","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openclaw/openclaw"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35640","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35640"},{"reference_url":"https://github.com/openclaw/openclaw/commit/5e8cb22176e9235e224be0bc530699261eb60e53","reference_id":"5e8cb22176e9235e224be0bc530699261eb60e53","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T12:25:51Z/"}],"url":"https://github.com/openclaw/openclaw/commit/5e8cb22176e9235e224be0bc530699261eb60e53"},{"reference_url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-3h52-cx59-c456","reference_id":"GHSA-3h52-cx59-c456","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T12:25:51Z/"}],"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-3h52-cx59-c456"},{"reference_url":"https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unauthenticated-webhook-request-parsing","reference_id":"openclaw-denial-of-service-via-unauthenticated-webhook-request-parsing","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T12:25:51Z/"}],"url":"https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unauthenticated-webhook-request-parsing"}],"weaknesses":[{"cwe_id":696,"name":"Incorrect Behavior Order","description":"The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways which may produce resultant weaknesses."},{"cwe_id":400,"name":"Uncontrolled Resource Consumption","description":"The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources."}],"exploits":[],"severity_range_score":"4.0 - 6.9","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2amg-4khy-1ufr"}