PatchSiren cyber security CVE debrief
CVE-2026-62203 OpenClaw CVE debrief
OpenClaw versions before 2026.6.6 contain an environment variable filtering vulnerability in host exec that fails to properly sanitize rustup startup variables. This vulnerability allows attackers with lower-trust caller access or configured input paths to execute or persist actions beyond their intended authorization level. The vulnerability is classified as HIGH with a CVSS score of 7.7. Users of OpenClaw versions before 2026.6.6 should be aware of this vulnerability and take steps to mitigate it.
- Vendor
- OpenClaw
- Product
- Unknown
- CVSS
- HIGH 7.7
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-17
- Original CVE updated
- 2026-07-17
- Advisory published
- 2026-07-17
- Advisory updated
- 2026-07-17
Who should care
Users of OpenClaw versions before 2026.6.6, operators, platform administrators, vulnerability management teams, and security teams should be aware of this vulnerability and take steps to mitigate it. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
Technical summary
The vulnerability is caused by a failure to properly sanitize rustup startup variables in the host exec component of OpenClaw. This allows attackers with lower-trust caller access or configured input paths to execute or persist actions beyond their intended authorization level. The affected product is OpenClaw versions before 2026.6.6. Users of OpenClaw versions before 2026.6.6 should review the official advisory or CVE record to validate affected scope, severity, and vendor guidance, and take steps to mitigate the vulnerability, such as updating to version 2026.6.6 or later, restricting access to the host exec component, and monitoring for suspicious activity.
Defensive priority
High
Recommended defensive actions
- Update OpenClaw to version 2026.6.6 or later
- Restrict access to the host exec component
- Monitor for suspicious activity
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record was published on 2026-07-17T02:18:06.587Z and has not been modified since then. The NVD entry is currently Received. The OpenClaw vulnerability allows attackers with lower-trust caller access or configured input paths to execute or persist actions beyond their intended authorization level due to improper sanitization of rustup startup variables in the host exec component.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-17T02:18:06.587Z and has not been modified since then.