CVE-2026-61838

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61838", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T20:28:17.512Z", "datePublished": "2026-10-15T16:32:37.392Z", "dateUpdated": "2026-10-15T18:31:13.925Z"}, "containers": {"cna": {"title": "Lychee: Album password bypass in ZIP downloads", "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r"}, {"name": "https://github.com/LycheeOrg/Lychee/pull/4459", "tags": ["x_refsource_MISC"], "url": "https://github.com/LycheeOrg/Lychee/pull/4459"}, {"name": "https://github.com/LycheeOrg/Lychee/commit/4366dd0e721126dffe29659afec93aee9c1db711", "tags": ["x_refsource_MISC"], "url": "https://github.com/LycheeOrg/Lychee/commit/4366dd0e721126dffe29659afec93aee9c1db711"}, {"name": "https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.3"}], "affected": [{"vendor": "LycheeOrg", "product": "Lychee", "versions": [{"version": "< 7.6.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T16:32:37.392Z"}, "descriptions": [{"lang": "en", "value": "Lychee is a free, open-source photo-management tool. Prior to 7.6.3, GET /api/v2/Zip authorizes album and photo archives through AlbumPolicy::canDownload() and PhotoPolicy::canDownload() without first enforcing AlbumPolicy::canAccess(). For a public, password-protected album with grants_download enabled, an unauthenticated attacker who knows the shared album identifier can download a ZIP archive without supplying the password or unlocking the album, even though browsing endpoints deny access. The archive exposes the album's photos and can include full-resolution originals and associated metadata when grants_full_photo_access is enabled. This issue is fixed in version 7.6.3."}], "source": {"advisory": "GHSA-735c-2wqc-x29r", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T18:30:52.301216Z", "id": "CVE-2026-61838", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T18:31:13.925Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-61838", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T18:30:52.301216Z"}}}], "references": [{"url": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T18:31:04.231Z"}}], "cna": {"title": "Lychee: Album password bypass in ZIP downloads", "source": {"advisory": "GHSA-735c-2wqc-x29r", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}}], "affected": [{"vendor": "LycheeOrg", "product": "Lychee", "versions": [{"status": "affected", "version": "< 7.6.3"}]}], "references": [{"url": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r", "name": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/LycheeOrg/Lychee/pull/4459", "name": "https://github.com/LycheeOrg/Lychee/pull/4459", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/LycheeOrg/Lychee/commit/4366dd0e721126dffe29659afec93aee9c1db711", "name": "https://github.com/LycheeOrg/Lychee/commit/4366dd0e721126dffe29659afec93aee9c1db711", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.3", "name": "https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.3", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Lychee is a free, open-source photo-management tool. Prior to 7.6.3, GET /api/v2/Zip authorizes album and photo archives through AlbumPolicy::canDownload() and PhotoPolicy::canDownload() without first enforcing AlbumPolicy::canAccess(). For a public, password-protected album with grants_download enabled, an unauthenticated attacker who knows the shared album identifier can download a ZIP archive without supplying the password or unlocking the album, even though browsing endpoints deny access. The archive exposes the album's photos and can include full-resolution originals and associated metadata when grants_full_photo_access is enabled. This issue is fixed in version 7.6.3."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-285", "description": "CWE-285: Improper Authorization"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T16:32:37.392Z"}}}, "cveMetadata": {"cveId": "CVE-2026-61838", "state": "PUBLISHED", "dateUpdated": "2026-10-15T18:31:13.925Z", "dateReserved": "2026-07-10T20:28:17.512Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-15T16:32:37.392Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Lychee", "vendor": "LycheeOrg", "versions": [{"status": "affected", "version": "< 7.6.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Lychee is a free, open-source photo-management tool. Prior to 7.6.3, GET /api/v2/Zip authorizes album and photo archives through AlbumPolicy::canDownload() and PhotoPolicy::canDownload() without first enforcing AlbumPolicy::canAccess(). For a public, password-protected album with grants_download enabled, an unauthenticated attacker who knows the shared album identifier can download a ZIP archive without supplying the password or unlocking the album, even though browsing endpoints deny access. The archive exposes the album's photos and can include full-resolution originals and associated metadata when grants_full_photo_access is enabled. This issue is fixed in version 7.6.3."}], "id": "CVE-2026-61838", "lastModified": "2026-10-15T21:08:49.703", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "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": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/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": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-61838", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T18:30:52.301216Z", "version": "2.0.3"}}]}, "published": "2026-10-15T17:17:26.677", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/LycheeOrg/Lychee/commit/4366dd0e721126dffe29659afec93aee9c1db711"}, {"source": "security-advisories@github.com", "url": "https://github.com/LycheeOrg/Lychee/pull/4459"}, {"source": "security-advisories@github.com", "url": "https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}, {"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.6.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Lychee", "source": "cna", "vendor": "LycheeOrg"}, "product": "lychee", "vendor": "lycheeorg"}], "created": "2026-10-16T20:15:13.892987+00:00", "updated": "2026-10-17T18:00:10.535763+00:00", "vendors": ["lycheeorg", "lycheeorg$PRODUCT$lychee"]}