GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs
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.
CVE-2026-112303
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-112303
GDevelop
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/4ian/GDevelop",
"vendor": "GDevelop",
"product": "GDevelop",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "5.6.284"
}
],
"collectionURL": "https://github.com/4ian/GDevelop",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-112303
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #39709 · Revision 1
- Added to Heist Feed
- Publisher date