{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/50573?format=json","vulnerability_id":"VCID-3f9z-cez9-ykec","summary":"OpenClaw's Nextcloud Talk webhook replay could trigger duplicate inbound processing\nWhen Nextcloud Talk webhook signing was valid, replayed requests could be accepted without durable replay suppression, allowing duplicate inbound processing after replay-window expiry or process restart.","aliases":[{"alias":"CVE-2026-28449"},{"alias":"GHSA-r9q5-c7qc-p26w"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/74377?format=json","purl":"pkg:npm/openclaw@2026.2.25","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/openclaw@2026.2.25"}],"affected_packages":[],"references":[{"reference_url":"https://github.com/openclaw/openclaw","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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://github.com/openclaw/openclaw/commit/d512163d686ad6741783e7119ddb3437f493dbbc","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openclaw/openclaw/commit/d512163d686ad6741783e7119ddb3437f493dbbc"},{"reference_url":"https://www.vulncheck.com/advisories/openclaw-webhook-replay-attack-via-missing-durable-replay-suppression","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.vulncheck.com/advisories/openclaw-webhook-replay-attack-via-missing-durable-replay-suppression"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28449","reference_id":"CVE-2026-28449","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28449"},{"reference_url":"https://github.com/advisories/GHSA-r9q5-c7qc-p26w","reference_id":"GHSA-r9q5-c7qc-p26w","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-r9q5-c7qc-p26w"},{"reference_url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-r9q5-c7qc-p26w","reference_id":"GHSA-r9q5-c7qc-p26w","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-r9q5-c7qc-p26w"}],"weaknesses":[{"cwe_id":294,"name":"Authentication Bypass by Capture-replay","description":"A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes)."},{"cwe_id":937,"name":"OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."},{"cwe_id":1035,"name":"OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."}],"exploits":[],"severity_range_score":"4.0 - 6.9","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-3f9z-cez9-ykec"}