{"id":"CVE-2026-27566","aliases":["GHSA-jj82-76v6-933r"],"url":"https://o3.security/vulnerability/CVE-2026-27566","summary":"OpenClaw < 2026.2.22 - Allowlist Bypass via Wrapper Binary Unwrapping in system.run","details":"### Summary\n`system.run` exec allowlist analysis treated wrapper binaries as the effective executable and did not fully unwrap `env`/shell-dispatch wrappers.\n\nThis allowed wrapper-smuggled payloads (for example `env bash -lc ...`) to satisfy an allowlist entry for the wrapper while executing non-allowlisted commands.\n\n### Impact\nOn affected versions, an actor who can trigger `system.run` requests under an allowlist policy could bypass intended allowlist restrictions by routing execution through wrapper binaries.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: `<= 2026.2.21-2`\n- Patched in next release: `2026.2.22` (pre-set below so publish can happen immediately after npm release)\n\n### Fix Commit(s)\n- `2b63592be57782c8946e521bc81286933f0f99c7`\n\n### Release Process Note\n`patched_versions` is pre-set to the planned next release (`>= 2026.2.22`).\n\nAfter npm `2026.2.22` is published, this advisory can be published directly without further metadata edits.\n\nOpenClaw thanks @tdjackey for reporting.","published":"2026-03-19T01:00:43.726Z","modified":"2026-08-12T03:51:27.735086239Z","cvss":null,"epss":{"score":0.00419,"percentile":0.34617,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.2.22"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/2b63592be57782c8946e521bc81286933f0f99c7","label":"openclaw/openclaw@2b63592"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27566.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-jj82-76v6-933r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27566"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-wrapper-binary-unwrapping-in-system-run"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/2b63592be57782c8946e521bc81286933f0f99c7"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:27.735086239Z"}}