High
Security advisory
Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, allowing attackers to gain sensitive information via authenticated or anonymous WebDAV endpoints.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-50735
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 13:45 UTC · Revision 1
Source evidence
Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, allowing attackers to gain sensitive information via authenticated or anonymous WebDAV endpoints.
osv:CVE-2025-50735
Complete source record
{
"id": "5440ef90d133aa5b830b59c8a3daea9bdafc5835c06691bb5967b0023672de68",
"url": "https://osv.dev/vulnerability/CVE-2025-50735",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-50735",
"summary": "Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, allowing attackers to gain sensitive information via authenticated or anonymous WebDAV endpoints.",
"evidence": "osv:CVE-2025-50735",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-50735",
"aliases": [
"CVE-2025-50735"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/chatgptnextweb/nextchat",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "377480b448798488db5ef03f4d5c44d2d930693c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.16.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v2.16.0",
"v2.15.8",
"v2.15.7",
"v2.15.6",
"v2.15.5",
"v2.15.4",
"v2.15.3",
"v2.15.2",
"v2.15.1",
"v2.15.0",
"v2.14.2",
"v2.14.1",
"v2.14.0",
"v2.13.1",
"v2.13.0",
"v2.12.4",
"v2.12.3",
"v2.12.2",
"v2.12.1",
"v2.11.3",
"v2.11.2",
"v2.10.3",
"v2.10.2",
"v2.10.1",
"v2.9.13",
"v2.9.12",
"v2.9.11",
"v2.9.10",
"v2.9.9",
"v2.9.8",
"v2.9.7",
"v2.9.6",
"v2.9.5",
"v2.9.4",
"v2.9.3",
"v2.9.2",
"v2.9.1",
"v2.9.0",
"v2.8.9",
"v2.8.8",
"v2.8.7",
"v2.8.6",
"v2.8.5",
"v2.8.4",
"v2.8.3",
"v2.8.2",
"v2.8.1",
"app-vundefined",
"v2.8",
"v2.7",
"v2.6",
"v2.5",
"v2.4",
"v2.3",
"v2.2",
"v2.1",
"v2.0.1",
"v1.9.9",
"v1.9.8",
"v1.9.7",
"v1.9.6",
"v1.9.5",
"v1.9.4",
"v1.9.3",
"v1.9.2",
"v1.9.1",
"v1.9",
"v1.8",
"v1.7.2",
"v1.7.1",
"v1.7",
"v1.6",
"v1.5",
"v1.4",
"v1.3",
"v1.2",
"v1.1",
"v1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-50735.json"
}
}
],
"modified": "2026-10-28T02:30:29.341696595Z",
"provider": "osv",
"references": [
"https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/api/webdav/%5B...path%5D/route.ts",
"https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/utils/cloud/webdav.ts",
"https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50735",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50735.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-50735"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50735.json"
}
},
"related_cves": [
{
"value": "CVE-2025-50735",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 496069,
"published_at": "2025-11-03T00:00:00+00:00"
}