Authenticated SSRF in Apache Gravitino JobManager v1.0.0-1.2.1 via unvalidated job template URIs
CVE-2026-49876 Published on July 13, 2026
Apache Gravitino: Authenticated SSRF in Gravitino JobManager allows server-side HTTP requests to internal network and cloud metadata endpoints via unvalidated job template URIs
Authenticated SSRF in Gravitino JobManager allows server-side HTTP requests to internal network and cloud metadata endpoints via unvalidated job template URIs. A vulnerability in Apache Gravitino.
This issue affects Apache Gravitino: from 1.0.0 through 1.2.1.
Users are recommended to upgrade to version 1.3.0, which fixes the issue.
Vulnerability Analysis
CVE-2026-49876 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a SSRF Vulnerability?
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file://), or use other protocols such as gopher:// or tftp://, which may provide greater control over the contents of requests.
CVE-2026-49876 has been classified to as a SSRF vulnerability or weakness.
Affected Versions
Apache Software Foundation Apache Gravitino:- Version 1.0.0, <= 1.2.1 is affected.