High severity · published Apr 23, 2026
CVE-2026-41336
OpenClaw < 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.3.31 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41336
Patch
https://github.com/openclaw/openclaw/commit/330a9f98cb29c79b1c16a2117e03d6276a0d6289
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-3qpv-xf3v-mm45
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-arbitrary-hook-code-execution-via-openclaw-bundled-hooks-dir-environment-variable-override
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