{"id":"CVE-2026-112303","revision":null,"records":[{"revision":"af7e9da4141546018620cce6fda3fcaa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112303","aliases":[],"title":"GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs","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.","state":0,"publishedAt":"2026-10-19T15:28:54.002+00:00","modifiedAt":"2026-10-19T18:22:14.926+00:00","affected":[{"ecosystem":"https://github.com/4ian/GDevelop","name":"GDevelop","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GDevelop\",\n                    \"product\": \"GDevelop\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"5.6.284\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/4ian/GDevelop\",\n                    \"repo\": \"https://github.com/4ian/GDevelop\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/4ian/GDevelop/issues/9257","https://github.com/4ian/GDevelop/commit/fbb01f40a640c35c6064f827065eda00e5608690","https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/electron-app/app/LocalFileDownloader.js","https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/app/src/ProjectsStorage/LocalFileStorageProvider/LocalFileResourceMover.js","https://www.vulncheck.com/advisories/gdevelop-through-5.6.284-cookie-leak-via-localfiledownloader-resource-urls"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112303","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112303","identifiers":["CVE-2026-112303"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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