Vulnerability Description
OpenClaw versions from 2026.2.22 before 2026.4.12 contain an insufficient shell-wrapper detection vulnerability allowing attackers to inject environment variable assignments at the argv level. Attackers can bypass exec preflight handling to manipulate high-risk shell variables like SHELLOPTS and PS4, affecting execution semantics and security controls.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/8f8492d172f4c5b4fd7dd9a47855ed620c87
- https://github.com/openclaw/openclaw/security/advisories/GHSA-j6c7-3h5x-99g9
- https://www.vulncheck.com/advisories/openclaw-shell-wrapper-detection-bypass-via
FAQ
What is CVE-2026-42435?
CVE-2026-42435 is a vulnerability with a CVSS score of 8.8 (HIGH). OpenClaw versions from 2026.2.22 before 2026.4.12 contain an insufficient shell-wrapper detection vulnerability allowing attackers to inject environment variable assignments at the argv level. Attacke...
How severe is CVE-2026-42435?
CVE-2026-42435 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-42435?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.