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vuln-cve/data/2026/61xxx/CVE-2026-61838.json
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{
"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"
}
}
]
}
}