What is CVE-2026-41336?

CVE-2026-41336 is a high-severity vulnerability in Openclaw, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.8/10. Published 2026-04-23.

How severe is CVE-2026-41336?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Openclaw

CVE-2026-41336

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…

EPSS: 0.000 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

GitHub Security Advisory (GHSA-3qpv-xf3v-mm45) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41336?: CVE-2026-41336 is a high-severity vulnerability in Openclaw, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.8/10. Published 2026-04-23.
How severe is CVE-2026-41336?: High severity. CVSS v3 base score is 7.8 out of 10.