{"id":"CVE-2026-53855","aliases":["GHSA-5cj2-3jr2-5h77"],"url":"https://o3.security/vulnerability/CVE-2026-53855","summary":"OpenClaw < 2026.4.2 - Shell Positional Parameters Bypass in Inline-Eval Checks","details":"OpenClaw before 2026.4.2 contains an inline-eval bypass vulnerability allowing authenticated operators to weaken strict allowlist checks via shell positional parameters. Attackers can combine allowlisted tools with shell positional arguments to place inline-eval content in shell carriers outside intended allowlist rules, enabling execution of unapproved shell-provided content.","published":"2026-06-16T18:05:03.715Z","modified":"2026-08-12T03:51:22.605290206Z","cvss":null,"epss":{"score":0.0026,"percentile":0.17704,"asOf":"2026-08-11"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.4.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53855.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-5cj2-3jr2-5h77"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53855"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-shell-positional-parameters-bypass-in-inline-eval-checks"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:22.605290206Z"}}