CVE-2026-104140
Description
A flaw was found in QGIS. The QGIS Server component fails to properly escape feature property data when rendering HTML responses for Web Feature Service (WFS) endpoints. A remote attacker can exploit this issue by injecting malicious scripts into the properties of a published writable vector layer. When a user views the resulting page, the script executes within their browser in the server's context, leading to information disclosure, session hijacking, or unauthorized actions performed with the victim's permissions.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
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