CVE-2026-112303

GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs

Published Oct 19, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Gdevelop
Gdevelop gdevelop
Vendors & Products Gdevelop
Gdevelop gdevelop
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs
Weaknesses CWE-522
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 19, 2026, 6:22 PM
Reserved
Oct 19, 2026, 2:14 PM
Status
Deferred
Published
Oct 19, 2026, 4:17 PM
Modified
Oct 19, 2026, 9:14 PM