Vulnerability in Openclaw
CVE-2026-62203
OpenClaw versions before 2026.6.6 contain an environment variable filtering vulnerability in host exec that fails to properly sanitize rustup startup variables. Attackers with lower-trust caller access or configured input paths can execute or persist actions beyond their intended authorization level.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Openclaw — versions 0, 2026.6.6
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-wxh3-g47h-q3mc (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-environment-variable-injection-via-rustup (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-62203?
- CVE-2026-62203 is a high-severity vulnerability in Openclaw, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.8/10. Published 2026-07-17.
- How severe is CVE-2026-62203?
- High severity. CVSS v3 base score is 8.8 out of 10.