CVE-2026-41336CWE-829

OpenClaw < 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override

High · published April 23, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
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
EPSS
0.00196 · 8.9th percentile
Weakness
CWE-829 · Inclusion of Functionality from Untrusted Control Sphere
Published
2026-04-23T21:57Z
EPSS history
Timeline
  • 23 APR 21:57Z
    OpenClaw < 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override
    cvelistv5