{"schema":"threatline.record/2","record":{"id":"CVE-2026-112303","aliases":[],"summary":"GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs","details":"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.","categories":["Unclassified"],"product":"GDevelop","vendor":"GDevelop","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112303","source_modified_at":"2026-10-19T18:22:14.926Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"GDevelop","vendor":"GDevelop","versions":[{"version":"0","lessThanOrEqual":"5.6.284","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0026,"percentile":0.16719,"score_date":"2026-10-23"},"published_at":"2026-10-19T15:28:54.002Z","modified_at":"2026-10-19T18:22:14.926Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112303","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T18:22:14.926Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112303","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/4ian/GDevelop/issues/9257","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/4ian/GDevelop/commit/fbb01f40a640c35c6064f827065eda00e5608690","tags":["patch"]},{"source":"CVE List","url":"https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/electron-app/app/LocalFileDownloader.js","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/app/src/ProjectsStorage/LocalFileStorageProvider/LocalFileResourceMover.js","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/gdevelop-through-5.6.284-cookie-leak-via-localfiledownloader-resource-urls","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-19T18:22:03.397383Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T18:22:14.926Z","content_hash":"e650a7c2b7c58699ffb5a1cd65f963518c9e6b44b97cd3e9f988dc9a6e940f09"}}