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CVE-2025-27008: Missing Authorization Vulnerability in Unlimited Timeline

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Overview

The cybersecurity industry has identified a high-severity vulnerability, CVE-2025-27008, which affects NotFound Unlimited Timeline. This Missing Authorization vulnerability has the potential to compromise systems or lead to data leakage. Given the widespread usage of Unlimited Timeline, the discovery of this vulnerability is significant and warrants immediate attention.

Vulnerability Summary

CVE ID: CVE-2025-27008
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and data leakage

Affected Products

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Product | Affected Versions

NotFound Unlimited Timeline | All versions before patch

How the Exploit Works

The vulnerability stems from a lack of proper access control list (ACL) constraints in Unlimited Timeline. An attacker can exploit this by sending specially crafted requests to access functionalities that should be restricted. This could allow unauthorized access to sensitive data or even full system control, depending on the data and functionalities exposed.

Conceptual Example Code

Here’s a conceptual example of how the vulnerability might be exploited using an HTTP request:

POST /unprotected_functionality HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "malicious_payload": "..." }

In this example, the attacker sends a POST request to a functionality that should be protected by ACLs. The “malicious_payload” could be designed to retrieve sensitive data or execute unauthorized commands.

Mitigation Guidance

Users of NotFound Unlimited Timeline are advised to apply the vendor’s patch as soon as it is available. In the meantime, or if a patch is not feasible, using a web application firewall (WAF) or intrusion detection system (IDS) could provide temporary mitigation. However, this would not completely eliminate the risk and is only a temporary solution until the patch can be applied.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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