Skip to content
OpenAdvisories
Medium · 4.3 CVE-2026-112303 EUVD-2026-104395GHSA-rq3j-g73v-g6hv

GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs

Published Oct 19, 2026 · Updated Oct 19, 2026 · Assigned by VulnCheck

Description

GDevelop desktop app through 5.6.284 contains a credential leak vulnerability that allows attackers to steal the gd_resource cookie by supplying attacker-controlled resource URLs in project files. Attackers can get victims to open a crafted project, causing downloadLocalFile() to send the cookie to their server and expose private cloud project resources.

Affected products

VendorProductAffectedFixed
GDevelop GDevelop ≤ 5.6.284 —

References