Vulnerability Report

CVE-2026-35666

Title: Allowlist bypass in system.run approvals

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-35666.

CWE Category CWE-706

Published Date Apr 10, 2026

Modified Date Apr 13, 2026

Exploit Status Not Found

Score 7.7 CVSS v4.0

Exploit Probability (EPSS)

0.37%

Vulnerability Summary

CVE-2026-35666: 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.

Impacted Vendors

openclaw 1

Reference Links

https://github.com/openclaw/openclaw/commit/39409b6a6dd4239deea682e626bac9ba547bfb14 https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 https://github.com/openclaw/openclaw/security/advisories/GHSA-qm9x-v7cx-7rq4 https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-unregistered-time-dispatch-wrapper

CVSS v4.0

Source Entity [email protected]

Severity HIGH

7.7

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

CVSS: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 v3.1

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-35666 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 13, 2026 MODIFIED

Vulnerability data updated via NVD.

April 13, 2026 MODIFIED

Vulnerability data updated via NVD.

April 13, 2026 MODIFIED

Vulnerability data updated via NVD.

April 10, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS: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

Affected Stack

No specific products linked.