{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-112303", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-19T14:14:27.329Z", "datePublished": "2026-10-19T15:28:54.002Z", "dateUpdated": "2026-10-19T15:28:54.002Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-19T15:28:54.002Z"}, "datePublic": "2026-10-17T00:57:11.000Z", "title": "GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficiently Protected Credentials", "cweId": "CWE-522", "type": "CWE"}]}], "affected": [{"vendor": "GDevelop", "product": "GDevelop", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "5.6.284", "status": "affected", "versionType": "custom"}], "collectionURL": "https://github.com/4ian/GDevelop", "repo": "https://github.com/4ian/GDevelop"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/4ian/GDevelop/issues/9257", "tags": ["issue-tracking"]}, {"url": "https://github.com/4ian/GDevelop/commit/fbb01f40a640c35c6064f827065eda00e5608690", "tags": ["patch"]}, {"url": "https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/electron-app/app/LocalFileDownloader.js", "tags": ["technical-description"]}, {"url": "https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/app/src/ProjectsStorage/LocalFileStorageProvider/LocalFileResourceMover.js", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: GDevelop through 5.6.284 Cookie Leak via LocalFileDownloader Resource URLs", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/gdevelop-through-5.6.284-cookie-leak-via-localfiledownloader-resource-urls"}], "credits": [{"lang": "en", "value": "George Chen", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://github.com/4ian/GDevelop", "defaultStatus": "unaffected", "product": "GDevelop", "repo": "https://github.com/4ian/GDevelop", "vendor": "GDevelop", "versions": [{"lessThanOrEqual": "5.6.284", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-112303", "lastModified": "2026-10-19T16:17:06.107", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-19T16:17:06.107", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/app/src/ProjectsStorage/LocalFileStorageProvider/LocalFileResourceMover.js"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/4ian/GDevelop/blob/v5.6.284/newIDE/electron-app/app/LocalFileDownloader.js"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/4ian/GDevelop/commit/fbb01f40a640c35c6064f827065eda00e5608690"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/4ian/GDevelop/issues/9257"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/gdevelop-through-5.6.284-cookie-leak-via-localfiledownloader-resource-urls"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-522"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{}