How exploitable is this vulnerability in practice?

The issue is highly exploitable for any local user or process that can perform file operations. No complex exploitation is required: an attacker simply needs to use file operation types that were not previously covered by the FAA policy enforcement logic.

Does exploitation require elevated privileges or special entitlements?

Typically no. Exploitation only requires the ability to run code or a process on the affected macOS host and perform standard file operations. The vulnerability exists because the policy engine was not applied to certain event types, regardless of the attacker's privilege level.

What is the safest general fix pattern for similar issues?

The safest pattern is to ensure that authorization is centralized and applied consistently to all security-relevant operations. In practice, this means subscribing to all relevant Endpoint Security event types and routing them through a single FAA policy evaluator, with a conservative default-deny stance when an operation type is not explicitly handled.

Severity:

HIGH RISK

(8.7)

Missing Authorization Checks (CWE-862) in ClearanceKit Endpoint Security File Access Filter

CVE-2026-33631

Published:

Mar 26, 2026

Status:

Awaiting Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Missing Authorization

CWE:

CWE-862

Impact:

Local Authorization Bypass and Policy Evasion

Severity:

HIGH RISK

(8.7)

CVSS Version:

3.1

Vulnerability Type

Category:

Missing Authorization

CWE:

CWE-862

Impact:

Local Authorization Bypass and Policy Evasion

Severity:

HIGH RISK

(8.7)

CVSS Version:

3.1

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Missing Authorization Checks (CWE-862) in ClearanceKit Endpoint Security File Access Filter

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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