XML External Entity injection in geoserver - CVE-2024-34711
Published: May 5, 2026
geoserver
geoserver
Description
The vulnerability allows a remote attacker to perform server-side request forgery and disclose limited information.
The vulnerability exists due to improper restriction of xml external entity reference in PreventLocalEntityResolver when processing XML entities with crafted external schema URIs. A remote attacker can send a specially crafted XML document to perform server-side request forgery and disclose limited information.
The issue can be abused to send GET requests to arbitrary HTTP servers, scan internal networks, and read limited .xsd files on the system.