{"id":"CVE-2026-42434","aliases":["GHSA-736r-jwj6-4w23"],"url":"https://o3.security/vulnerability/CVE-2026-42434","summary":"OpenClaw 2026.4.5 < 2026.4.10 - Sandbox Escape via host Parameter Override in Exec Routing","details":"## Summary\n\nSandboxed agents could escape exec routing via host=node override.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `>= 2026.4.5 < 2026.4.10`\n- Patched versions: `>= 2026.4.10`\n\n## Impact\n\nA sandboxed agent could request `host: \"node\"` and route exec to a remote node instead of the intended sandbox execution path, bypassing the sandbox routing boundary.\n\n## Technical Details\n\nThe fix blocks sandboxed exec escape to remote node targets and keeps routing aligned with the active sandbox policy.\n\n## Fix\n\nThe issue was fixed in #63880. The first stable tag containing the fix is `v2026.4.10`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `dffad08529202edbf34e4808788e1182fe10f6a9`\n- PR: #63880\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.10 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.","published":"2026-05-05T11:24:53.898Z","modified":"2026-08-17T03:48:14.812007244Z","cvss":null,"epss":{"score":0.00347,"percentile":0.2759,"asOf":"2026-08-12"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.4.10"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/dffad08529202edbf34e4808788e1182fe10f6a9","label":"openclaw/openclaw@dffad08"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42434.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-736r-jwj6-4w23"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42434"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-host-parameter-override-in-exec-routing"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/dffad08529202edbf34e4808788e1182fe10f6a9"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/pull/63880"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T03:48:14.812007244Z"}}