{"cve":"CVE-2026-43572","nvd":{"published":"2026-05-05T12:16:21.023","modified":"2026-06-17T10:49:53.200","status":"Analyzed","description":"OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation, allowing unauthorized access to Teams SSO signin functionality.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-862"],"references":["https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776","https://github.com/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f","https://www.vulncheck.com/advisories/openclaw-missing-sender-authorization-in-microsoft-teams-sso-invoke-handler"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2026-43572","score":0.00231,"percentile":0.14019,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gc9r-867r-j85f","url":"https://osv.dev/vulnerability/GHSA-gc9r-867r-j85f","summary":"OpenClaw: Microsoft Teams SSO invoke handler missed sender authorization checks","modified":"2026-05-05T16:11:38.859225Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":[">=2026.4.10 <2026.4.14"],"fixed":["2026.4.14"]}]}],"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."]}