{"id":"CVE-2026-42435","aliases":["GHSA-j6c7-3h5x-99g9"],"url":"https://o3.security/vulnerability/CVE-2026-42435","summary":"OpenClaw 2026.2.22 < 2026.4.12 - Shell-Wrapper Detection Bypass via Environment Variable Assignment Injection","details":"## Summary\n\nShell-wrapper detection missed env-argv assignment injection forms.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `>= 2026.2.22 < 2026.4.12`\n- Patched versions: `>= 2026.4.12`\n\n## Impact\n\nExec preflight handling missed shell-wrapper and argv-level environment assignment forms that could affect execution semantics, including high-risk shell environment controls.\n\n## Technical Details\n\nThe fix broadens shell-wrapper detection and blocks environment assignments in argv forms. High-risk shell variables such as `SHELLOPTS` and `PS4` are covered by the host environment security policy.\n\n## Fix\n\nThe issue was fixed in #65717. The first stable tag containing the fix is `v2026.4.12`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `8f8492d172f4c5b4fd7dd9a47855ed620c8770ab`\n- PR: #65717\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.12 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @decsecre583 for reporting this issue.","published":"2026-05-05T11:24:54.597Z","modified":"2026-08-12T03:51:16.393484927Z","cvss":null,"epss":{"score":0.00407,"percentile":0.33711,"asOf":"2026-08-12"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.4.12"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/8f8492d172f4c5b4fd7dd9a47855ed620c8770ab","label":"openclaw/openclaw@8f8492d"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42435.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-j6c7-3h5x-99g9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42435"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-shell-wrapper-detection-bypass-via-environment-variable-assignment-injection"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/8f8492d172f4c5b4fd7dd9a47855ed620c8770ab"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/pull/65717"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:16.393484927Z"}}