{"cve":"CVE-2026-53836","nvd":{"published":"2026-06-12T22:16:55.413","modified":"2026-07-23T09:10:00.113","status":"Analyzed","description":"OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in PowerShell encoded-command handling that allows attackers to execute encoded commands using abbreviated flag aliases not recognized by the allowlist parser. Remote authenticated operators can bypass execution allowlist checks by using unrecognized encoded-command alias forms to execute arbitrary PowerShell content.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-184"],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-j472-gf56-x589","https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-powershell-encoded-command-aliases"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-53836","score":0.00451,"percentile":0.39177,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j472-gf56-x589","url":"https://osv.dev/vulnerability/GHSA-j472-gf56-x589","summary":"OpenClaw: PowerShell encoded-command aliases could miss exec allowlist checks","modified":"2026-08-26T01:18:21.745938437Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":["<2026.5.12"],"fixed":["2026.5.12"]}]}],"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."]}