CSRF Vulnerability in Apache Zeppelin Affects Multiple Versions by Apache

CVE-2026-44613

What is CVE-2026-44613?

CVE-2026-44613 is a serious Cross-Site Request Forgery (CSRF) vulnerability affecting multiple versions of Apache Zeppelin, a popular open-source web-based notebook that enables interactive data analytics and visualization. The vulnerability arises from the default Cross-Origin Resource Sharing (CORS) configuration, which permits cross-origin state-changing requests along with the acceptance of text/plain request bodies. This flaw allows attackers to potentially deceive authenticated users into visiting a malicious site, where they can perform unauthorized actions on behalf of the user through exposed REST and WebSocket endpoints. Such unauthorized actions can lead to significant disruptions and compromise sensitive data, showcasing the vulnerability's potential to negatively impact organizations utilizing Apache Zeppelin in their data-processing workflows.

Potential impact of CVE-2026-44613

1. Unauthorized Actions: The vulnerability can be exploited to enable attackers to conduct actions on behalf of authenticated users, undermining the integrity and confidentiality of sensitive operations performed within Apache Zeppelin.

2. Data Compromise: By leveraging this vulnerability, attackers may gain access to critical data processed within the Zeppelin notebooks, potentially leading to data breaches that can have severe legal and financial ramifications for affected organizations.

3. Service Disruption: The ability of an attacker to manipulate user sessions and execute state-changing requests can result in service disruptions. This can affect an organization's operational capabilities, resulting in downtime and loss of productivity as well as trust from users and customers.

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