{"id":"CVE-2026-112303","title":"GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs","summary":"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 craf…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-522"],"vendor":"GDevelop","product":"GDevelop","affected":["GDevelop <= 5.6.284"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T18:22:03.397383Z"},"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:22:14.926Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112303","references":[{"url":"https://github.com/4ian/GDevelop/issues/9257"},{"url":"https://github.com/4ian/GDevelop/commit/fbb01f40a640c35c6064f827065eda00e5608690"},{"url":"https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/electron-app/app/LocalFileDownloader.js"},{"url":"https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/app/src/ProjectsStorage/LocalFileStorageProvider/LocalFileResourceMover.js"},{"url":"https://www.vulncheck.com/advisories/gdevelop-through-5.6.284-cookie-leak-via-localfiledownloader-resource-urls","label":"VulnCheck Advisory: GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T16:32:30.083Z","slug":"CVE-2026-112303","body":"## Overview\n\nGDevelop 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.\n\n## Affected\n\n- `GDevelop <= 5.6.284`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}