{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53861","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-06-10T21:22:34.480Z","datePublished":"2026-06-16T18:05:07.908Z","dateUpdated":"2026-06-18T03:56:04.944Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-06-16T18:05:07.908Z"},"title":"OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS","descriptions":[{"lang":"en","value":"OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration."}],"tags":["x_open-source"],"datePublic":"2026-05-28T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-184","description":"Incomplete List of Disallowed Inputs","type":"CWE"}]}],"affected":[{"vendor":"OpenClaw","product":"OpenClaw","defaultStatus":"unaffected","packageURL":"pkg:npm/openclaw","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"2026.5.6"},{"version":"2026.5.6","status":"unaffected","versionType":"semver"}],"repo":"https://github.com/openclaw/openclaw"}],"cpeApplicability":[{"nodes":[{"operator":"OR","cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2026.5.6"}]}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","version":"3.1","baseSeverity":"MEDIUM","baseScore":6.6,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"}}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-c226-q6fx-6j6c","name":"GitHub Security Advisory (GHSA-c226-q6fx-6j6c)","tags":["vendor-advisory"]},{"name":"VulnCheck Advisory: OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-combined-posix-inline-flags-on-macos"}],"credits":[{"lang":"en","value":"zsx (@zsxsoft)","type":"reporter"},{"lang":"en","value":"KeenSecurityLab","type":"coordinator"},{"lang":"en","value":"qclawer","type":"tool"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-17T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-53861"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-18T03:56:04.944Z"}}]}}