CVE-2026-39432: Timetics Plugin Missing Authorization Exposes Access Controls
The National Vulnerability Database has disclosed CVE-2026-39432, a critical missing authorization vulnerability in Arraytics Timetics. This flaw, affecting Timetics versions up to and including 1.0.53, allows attackers to exploit incorrectly configured access control security levels. It’s a fundamental authorization bypass, meaning unauthenticated attackers can potentially manipulate access controls.
The CVSS score for CVE-2026-39432 is a high 8.2, driven by its network attack vector and low attack complexity, requiring no privileges or user interaction. This is a severe weakness (CWE-862) that enables unauthorized access to sensitive functions or data, posing a direct threat to the integrity and confidentiality of systems using the plugin.
Attackers will prioritize vulnerabilities like this because they offer a low-friction path to privilege escalation or data manipulation. For defenders, this isn’t about a complex exploit chain; it’s about a basic security control failing. Organizations running vulnerable versions need to treat this with urgency.
What This Means For You
- If your organization uses Arraytics Timetics, check your version immediately. Any version up to 1.0.53 is vulnerable to CVE-2026-39432. This isn't a theoretical risk; it's a direct route for unauthenticated actors to bypass access controls. Prioritize patching or implementing a compensating control to prevent unauthorized access.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-39432: Timetics Plugin Unauthenticated Access Attempt
title: CVE-2026-39432: Timetics Plugin Unauthenticated Access Attempt
id: scw-2026-05-12-ai-1
status: experimental
level: high
description: |
This rule detects attempts to access sensitive data within the Timetics plugin by exploiting the CVE-2026-39432 vulnerability. The vulnerability allows unauthenticated users to access control security levels by making requests to specific URIs and query parameters without proper authorization. A successful exploitation often results in a 200 OK status code.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-39432/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/timetics/'
cs-uri-query|contains:
- 'action=get_data'
sc-status:
- 200
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-39432 | Auth Bypass | Arraytics Timetics |
| CVE-2026-39432 | Auth Bypass | Timetics versions through 1.0.53 |
| CVE-2026-39432 | Misconfiguration | Exploiting Incorrectly Configured Access Control Security Levels |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 12:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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