{"cve":"CVE-2026-35670","nvd":{"published":"2026-04-10T17:17:09.413","modified":"2026-06-17T10:41:00.260","status":"Analyzed","description":"OpenClaw before 2026.3.22 contains a webhook reply delivery vulnerability that allows attackers to rebind chat replies to unintended users by exploiting mutable username matching instead of stable numeric user identifiers. Attackers can manipulate username changes to redirect webhook-triggered replies to different users, bypassing the intended recipient binding recorded in webhook events.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1},"cwes":["CWE-807"],"references":["https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87","https://github.com/openclaw/openclaw/commit/7ade3553b74ee3f461c4acd216653d5ba411f455","https://github.com/openclaw/openclaw/security/advisories/GHSA-wv46-v6xc-2qhf","https://www.vulncheck.com/advisories/openclaw-webhook-reply-rebinding-via-username-resolution-in-synology-chat"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-35670","score":0.00236,"percentile":0.14587,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wv46-v6xc-2qhf","url":"https://osv.dev/vulnerability/GHSA-wv46-v6xc-2qhf","summary":"OpenClaw: Synology Chat reply delivery could be rebound through username-based user resolution.","modified":"2026-04-10T20:04:59.863729Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":["<2026.3.22"],"fixed":["2026.3.22"]}]}],"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."]}