{"cve":"CVE-2026-42438","nvd":{"published":"2026-05-05T12:16:18.327","modified":"2026-06-17T10:47:50.587","status":"Analyzed","description":"OpenClaw versions 2026.4.9 before 2026.4.10 contain a sender policy bypass vulnerability in the outbound host-media attachment read helper that allows unauthorized local file disclosure. Attackers with denied read access via toolsBySender or group policy can trigger host-media attachment loading to bypass sender and group-scoped authorization boundaries and retrieve readable local files through the outbound media path.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","score":4.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","score":7.7},"cwes":["CWE-863"],"references":["https://github.com/openclaw/openclaw/commit/c949af9fabf3873b5b7c484090cb5f5ab6049a98","https://github.com/openclaw/openclaw/security/advisories/GHSA-jhpv-5j76-m56h","https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-host-media-attachment-reads"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2026-42438","score":0.00237,"percentile":0.14751,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jhpv-5j76-m56h","url":"https://osv.dev/vulnerability/GHSA-jhpv-5j76-m56h","summary":"OpenClaw: Sender policy bypass in host media attachment reads allows unauthorized local file disclosure","modified":"2026-05-05T16:11:35.126323Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":[">=2026.4.9 <2026.4.10"],"fixed":["2026.4.10"]}]}],"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."]}