OpenClaw before 2026.3.22 contains an environment variable override handling vulnerability that allows attackers to bypass the shared host environment policy through inconsistent sanitization paths. Attackers can supply blocked or malformed override keys that slip through inconsistent validation to execute arbitrary code with unintended environment variables.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/commit/7abfff756d6c68d17e21d1657bbacbaec86…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-39pp-xp36-q6mg
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-environment-variable-override-byp…
disclosure@vulncheck.com