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CVE-2026-41336

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

8.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.13%Up 0.1 points since Apr 24, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.5

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

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.

Record
CVE-2026-41336
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
EUVDEUVD-2026-25320 8.5

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.

Record
EUVD-2026-25320
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-3qpv-xf3v-mm45 8.5

OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code

Summary

Workspace .env can override the bundled hooks root and load attacker hook code

Current Maintainer Triage

  • Status: open
  • Normalized severity: high
  • Assessment: v2026.3.28 still lets workspace .env override OPENCLAW_BUNDLED_HOOKS_DIR, which can replace trusted default-on bundled hooks from an untrusted workspace.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • 330a9f98cb29c79b1c16a2117e03d6276a0d6289 — 2026-03-31T19:25:12+09:00

OpenClaw thanks @nexrin for reporting.

Record
GHSA-3qpv-xf3v-mm45
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-15, CWE-829
Updated
2026-11-02
GitHub AdvisoriesGHSA-jx3c-247h-cxwp 8.5

Duplicate Advisory: OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-3qpv-xf3v-mm45. This link is maintained to preserve external references.

Original 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.

Record
GHSA-jx3c-247h-cxwp
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
NVD 8.5

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.

Record
CVE-2026-41336
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02
OSV 8.5

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

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.

Record
CVE-2026-41336
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-829
Updated
2026-11-02
OSVGHSA-3qpv-xf3v-mm45 8.5

OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code

Summary

Workspace .env can override the bundled hooks root and load attacker hook code

Current Maintainer Triage

  • Status: open
  • Normalized severity: high
  • Assessment: v2026.3.28 still lets workspace .env override OPENCLAW_BUNDLED_HOOKS_DIR, which can replace trusted default-on bundled hooks from an untrusted workspace.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • 330a9f98cb29c79b1c16a2117e03d6276a0d6289 — 2026-03-31T19:25:12+09:00

OpenClaw thanks @nexrin for reporting.

Record
GHSA-3qpv-xf3v-mm45
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-15, CWE-829
Updated
2026-11-02
OSVGHSA-jx3c-247h-cxwp 8.5

Duplicate Advisory: OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-3qpv-xf3v-mm45. This link is maintained to preserve external references.

Original 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.

Record
GHSA-jx3c-247h-cxwp
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-829
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
 through 2026.3.28
2026.3.31
openclaw
npm
 before 2026.3.31
2026.3.31

History

History
RecordedChangedSources
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-41336 is a high vulnerability (CVSS 8.5) in Openclaw, published April 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in openclaw 2026.3.31.

References

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