OpenClaw < 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.5epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
OpenClaw · OpenClawReferences
https://github.com/openclaw/openclaw/commit/330a9f98cb29c79b1c16a2117e03d6276a0d6289https://github.com/openclaw/openclaw/security/advisories/GHSA-3qpv-xf3v-mm45https://www.vulncheck.com/advisories/openclaw-arbitrary-hook-code-execution-via-openclaw-bundled-hooks-dir-environment-variable-override