CVE-2026-97261 in Notivo Plugin
Summary
by MITRE • 09/30/2026
Unauthenticated Sensitive Data Exposure in Notivo <= 1.4.2 versions.
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Analysis
by VulDB Data Team • 09/30/2026
The vulnerability identified as an unauthenticated sensitive data exposure within Notivo versions prior to or equal to 1.4.2 represents a critical failure in access control mechanisms, allowing remote attackers to retrieve confidential information without providing valid credentials. This type of flaw typically stems from improper implementation of authentication checks on specific API endpoints or administrative interfaces that were intended to be restricted to authorized users only. In the context of web applications and mobile backends like Notivo, such misconfigurations often occur when developers assume that certain routes are protected by default middleware or fail to explicitly enforce identity verification for every endpoint handling sensitive payloads. The absence of these checks creates a direct pathway for malicious actors to interact with internal services as if they were legitimate administrators or authenticated users, bypassing the intended security perimeter entirely.
From a technical perspective, this vulnerability aligns closely with CWE-284 Improper Access Control and CWE-200 Exposure of Sensitive Information to an Unauthorized Actor. The root cause lies in the server-side logic failing to validate session tokens, API keys, or user roles before processing requests that return personal identifiable information (PII), financial data, or internal system configurations. Attackers can exploit this by crafting specific HTTP GET or POST requests to known endpoints associated with user profiles, transaction histories, or administrative settings. Since no authentication is required, the server processes these requests and returns the full dataset in plain text formats such as JSON or XML. This lack of authorization enforcement means that any individual on the internet with knowledge of the endpoint structure can harvest large volumes of data simply by iterating through available resources or exploiting predictable identifiers within the API responses.
The operational impact of this vulnerability is severe, particularly for applications handling user-generated content and personal data. The exposure of sensitive information can lead to significant privacy violations, identity theft, and financial fraud against end-users whose data has been exfiltrated. For the organization operating Notivo, such a breach constitutes a major compliance failure under regulations like GDPR or CCPA, potentially resulting in substantial legal penalties and reputational damage. Furthermore, the exposed data often serves as reconnaissance material for subsequent attacks; attackers can use leaked email addresses, phone numbers, or internal identifiers to launch targeted phishing campaigns or credential stuffing attacks against other services where users may have reused passwords. The ease of exploitation due to the lack of authentication lowers the barrier to entry significantly, allowing even low-skilled threat actors to conduct large-scale data scraping operations with minimal effort and risk of detection.
To mitigate this vulnerability, immediate remediation efforts must focus on implementing robust access control policies across all API endpoints that handle sensitive data. Developers should enforce strict authentication checks using industry-standard protocols such as OAuth 2.0 or JWT (JSON Web Tokens) for every request that accesses protected resources. It is critical to ensure that authorization middleware runs before business logic execution, verifying the user's identity and permissions against a secure session store or database. Additionally, implementing rate limiting can help mitigate automated scraping attempts by detecting abnormal traffic patterns associated with data exfiltration. Security teams should also conduct regular code reviews focused on access control lists and perform penetration testing to identify similar misconfigurations in other parts of the application stack. Finally, adopting a principle of least privilege ensures that even if an endpoint is accessed, it only returns the minimum necessary information required for its function, reducing the blast radius of any potential future exposures.