CVE-2024-26477: Statping-ng Information Disclosure Flaw

CVE-2024-26477 Overview

CVE-2024-26477 is an information disclosure vulnerability affecting Statping-ng, an open-source status page monitoring application. The vulnerability allows unauthenticated attackers to obtain sensitive information through crafted requests to specific API endpoints, including the oauth, amazon_sns, and export endpoints. This flaw stems from improper access control mechanisms that fail to adequately protect sensitive configuration data.

Critical Impact

Attackers can extract sensitive configuration information including OAuth credentials, Amazon SNS settings, and exported data without authentication, potentially leading to further compromise of integrated services and infrastructure.

Affected Products

• Statping-ng v.0.91.0

Discovery Timeline

• 2026-02-11 - CVE-2024-26477 published to NVD
• 2026-02-12 - Last updated in NVD database

Technical Details for CVE-2024-26477

Vulnerability Analysis

This information disclosure vulnerability (CWE-200) exists within Statping-ng's API implementation. The affected endpoints—oauth, amazon_sns, and export—lack proper authentication and authorization checks, allowing any network-accessible attacker to retrieve sensitive configuration data. The vulnerability requires no user interaction and can be exploited remotely over the network with low attack complexity.

The exposed data can include OAuth tokens, Amazon SNS configuration details (potentially including AWS credentials or ARNs), and exported status page data. This type of information leakage can enable attackers to pivot to other services, escalate privileges within AWS environments, or gain deeper insight into the target infrastructure for further attacks.

Root Cause

The root cause of this vulnerability is improper access control implementation within the Statping-ng API. The affected endpoints fail to verify that incoming requests originate from authenticated and authorized users before returning sensitive configuration information. This represents a failure to implement the principle of least privilege and secure-by-default design patterns in the API layer.

Attack Vector

The attack vector is network-based, requiring only HTTP access to the vulnerable Statping-ng instance. An attacker can exploit this vulnerability by sending specially crafted HTTP requests to the vulnerable API endpoints. No authentication is required, and the attack can be performed without any user interaction.

The vulnerability affects the following API endpoints through the api parameter:

• /api/oauth - OAuth configuration endpoint
• /api/amazon_sns - Amazon SNS notification settings
• /api/export - Status page data export functionality

Technical details and proof-of-concept information are available in the GitHub PoC Repository.

Detection Methods for CVE-2024-26477

Indicators of Compromise

• Unusual or unauthorized HTTP requests to /api/oauth, /api/amazon_sns, or /api/export endpoints
• Increased API traffic from unknown or suspicious IP addresses to Statping-ng instances
• Log entries showing successful data retrieval from sensitive endpoints without corresponding authenticated sessions

Detection Strategies

• Monitor web server access logs for requests targeting the vulnerable endpoints (oauth, amazon_sns, export)
• Implement alerting for API requests to sensitive endpoints from external or unauthorized IP ranges
• Deploy web application firewall (WAF) rules to detect and block reconnaissance patterns against the API

Monitoring Recommendations

• Enable verbose logging on the Statping-ng application and review logs regularly for anomalous access patterns
• Establish baseline API usage metrics and alert on deviations that may indicate exploitation attempts
• Integrate Statping-ng logs with SIEM solutions for centralized monitoring and correlation with other security events

How to Mitigate CVE-2024-26477

Immediate Actions Required

• Restrict network access to Statping-ng instances to trusted IP ranges only using firewall rules or network segmentation
• Place Statping-ng behind a reverse proxy with authentication requirements for API endpoints
• Review access logs for evidence of prior exploitation and rotate any exposed credentials
• Consider taking vulnerable instances offline until a patched version is available

Patch Information

No official vendor patch has been announced at the time of this writing. Users should monitor the Statping-ng Repository for security updates and patch releases. Given that the project is open-source, community-contributed fixes may also become available.

Workarounds

• Implement network-level access controls (firewall rules, VPN requirements) to limit exposure of the Statping-ng API
• Deploy a reverse proxy (such as nginx or Apache) with authentication middleware to protect vulnerable endpoints
• If OAuth or Amazon SNS integrations are not required, disable these features if configuration options permit
• Rotate any credentials that may have been exposed through the vulnerable endpoints

# Example nginx configuration to restrict API access
location ~ ^/api/(oauth|amazon_sns|export) {
    allow 10.0.0.0/8;      # Internal network only
    deny all;
    proxy_pass http://statping-backend;
}