{"cve":"CVE-2026-33581","nvd":{"published":"2026-03-31T15:16:15.373","modified":"2026-07-24T21:10:00.143","status":"Analyzed","description":"OpenClaw before 2026.3.24 contains a sandbox bypass vulnerability in the message tool that allows attackers to read arbitrary local files by using mediaUrl and fileUrl alias parameters that bypass localRoots validation. Remote attackers can exploit this by routing file requests through unvalidated alias parameters to access files outside the intended sandbox directory.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","score":8.6},"cwes":["CWE-22"],"references":["https://github.com/openclaw/openclaw/commit/1d7cb6fc03552bbba00e7cffb3aa9741f5556416","https://github.com/openclaw/openclaw/security/advisories/GHSA-v8wv-jg3q-qwpq","https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-mediaurl-and-fileurl-parameters"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-33581","score":0.00577,"percentile":0.47557,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v8wv-jg3q-qwpq","url":"https://osv.dev/vulnerability/GHSA-v8wv-jg3q-qwpq","summary":"OpenClaw's message tool media parameter bypasses tool policy filesystem isolation","modified":"2026-04-06T17:57:35.035381Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":["<2026.3.24"],"fixed":["2026.3.24"]}]}],"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."]}