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CVE-2026-35666

OpenClaw < 2026.3.22 - Allowlist Bypass via Unregistered Time Dispatch Wrapper

7.7 HighFix available

OpenClaw before 2026.3.22 contains an allowlist bypass vulnerability in system.run approvals that fails to unwrap /usr/bin/time wrappers. Attackers can bypass executable binding restrictions by using an unregistered time wrapper to reuse approval state for inner commands.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.39%Up 0.3 points since Apr 11, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.7

OpenClaw < 2026.3.22 - Allowlist Bypass via Unregistered Time Dispatch Wrapper

OpenClaw before 2026.3.22 contains an allowlist bypass vulnerability in system.run approvals that fails to unwrap /usr/bin/time wrappers. Attackers can bypass executable binding restrictions by using an unregistered time wrapper to reuse approval state for inner commands.

Record
CVE-2026-35666
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-706
Updated
2026-11-02
EUVDEUVD-2026-21478 7.7

OpenClaw before 2026.3.22 contains an allowlist bypass vulnerability in system.run approvals that fails to unwrap /usr/bin/time wrappers. Attackers can bypass executable binding restrictions by using an unregistered time wrapper to reuse approval state for inner commands.

Record
EUVD-2026-21478
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-qm9x-v7cx-7rq4 7.7

OpenClaw's system.run allowlist can be bypassed through an unregistered time dispatch wrapper

Summary

Allow-always exec approvals did not unwrap /usr/bin/time, so an unregistered time wrapper could bypass executable binding and reuse approval state for the inner command.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • 39409b6a6dd4239deea682e626bac9ba547bfb14

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • src/infra/dispatch-wrapper-resolution.ts now unwraps /usr/bin/time and binds approvals to the real inner executable.
  • src/infra/exec-approvals-allow-always.test.ts ships regression coverage for time-wrapper allow-always approval bypasses.

OpenClaw thanks @YLChen-007 for reporting.

Record
GHSA-qm9x-v7cx-7rq4
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-706, CWE-863
Updated
2026-11-02
NVD 7.7

OpenClaw before 2026.3.22 contains an allowlist bypass vulnerability in system.run approvals that fails to unwrap /usr/bin/time wrappers. Attackers can bypass executable binding restrictions by using an unregistered time wrapper to reuse approval state for inner commands.

Record
CVE-2026-35666
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/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
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-706
Updated
2026-11-02
OSV 7.7

OpenClaw < 2026.3.22 - Allowlist Bypass via Unregistered Time Dispatch Wrapper

OpenClaw before 2026.3.22 contains an allowlist bypass vulnerability in system.run approvals that fails to unwrap /usr/bin/time wrappers. Attackers can bypass executable binding restrictions by using an unregistered time wrapper to reuse approval state for inner commands.

Record
CVE-2026-35666
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-706
Updated
2026-11-02
OSVGHSA-qm9x-v7cx-7rq4 7.7

OpenClaw's system.run allowlist can be bypassed through an unregistered time dispatch wrapper

Summary

Allow-always exec approvals did not unwrap /usr/bin/time, so an unregistered time wrapper could bypass executable binding and reuse approval state for the inner command.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • 39409b6a6dd4239deea682e626bac9ba547bfb14

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • src/infra/dispatch-wrapper-resolution.ts now unwraps /usr/bin/time and binds approvals to the real inner executable.
  • src/infra/exec-approvals-allow-always.test.ts ships regression coverage for time-wrapper allow-always approval bypasses.

OpenClaw thanks @YLChen-007 for reporting.

Record
GHSA-qm9x-v7cx-7rq4
CVSS 4.0
7.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-706, CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
before 2026.3.22
2026.3.22

History

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

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

In short

CVE-2026-35666 is a high vulnerability (CVSS 7.7) in Openclaw, published March 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. Fixed in openclaw 2026.3.22.

References

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