Critical
LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests
Type: advisorySources: OSV
LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORS_ORIGINS=* combined with allow_credentials=True in lightrag/api/lightrag_server.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin requests. Any malicious website visited by an authenticated LightRAG user can silently make authenticated API requests, exfiltrating documents and knowledge graph data or performing destructive actions such as deleting the document store. This vulnerability is fixed in 1.5.4.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-61736
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:23 UTC · Revision 1
Source evidence
LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests
core-osv · Original sourcePublished 15 Jul 2026, 14:12 UTC
LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORS_ORIGINS=* combined with allow_credentials=True in lightrag/api/lightrag_server.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin requests. Any malicious website visited by an authenticated LightRAG user can silently make authenticated API requests, exfiltrating documents and knowledge graph data or performing destructive actions such as deleting the document store. This vulnerability is fixed in 1.5.4.
osv:CVE-2026-61736
Complete source record
{
"id": "22a776395949738b3ccfe7fc82cc59001c63db5568743cadee89bc1f2a52c78d",
"url": "https://osv.dev/vulnerability/CVE-2026-61736",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests",
"summary": "LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORS_ORIGINS=* combined with allow_credentials=True in lightrag/api/lightrag_server.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin requests. Any malicious website visited by an authenticated LightRAG user can silently make authenticated API requests, exfiltrating documents and knowledge graph data or performing destructive actions such as deleting the document store. This vulnerability is fixed in 1.5.4.",
"evidence": "osv:CVE-2026-61736",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-61736",
"aliases": [
"CVE-2026-61736",
"GHSA-6x6h-qqr7-855w",
"PYSEC-2026-3474"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/hkuds/lightrag",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9a45b64c2ee25b1d806e90db926a8af37480bb16"
},
{
"fixed": "09567a4c983f580050db63569dd477122c058c3d"
},
{
"fixed": "df68d75f9dc29dd340ffb6794b48f48c4fdc9a2d"
},
{
"fixed": "ebba6548639c0f2e8919100eff76b401f1222252"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.5.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "09567a4c983f580050db63569dd477122c058c3d"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "df68d75f9dc29dd340ffb6794b48f48c4fdc9a2d"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "ebba6548639c0f2e8919100eff76b401f1222252"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "9a45b64c2ee25b1d806e90db926a8af37480bb16"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.5.4"
}
]
}
}
],
"versions": [
"temp",
"v1.5.3",
"v1.5.2",
"v1.5.1",
"v1.5.0",
"v1.5.0rc3",
"v1.5.0rc2",
"v1.4.9.1",
"v1.4.16",
"v1.4.15",
"v1.4.14",
"v1.4.13",
"v1.4.13rc1",
"v1.4.12",
"v1.4.12rc1",
"v1.4.11",
"v1.4.11rc1",
"v1.4.11rc2",
"v1.4.10",
"v1.4.9.11",
"v1.4.9.10",
"v1.4.9.9",
"v1.4.9.8",
"v1.4.9.7",
"v1.4.9.6",
"v1.4.9.5",
"v1.4.9.4",
"v1.4.9.4rc1",
"v1.4.9.3",
"v1.4.9.2",
"v1.4.9",
"v1.4.9rc4",
"v1.4.9rc3",
"v1.4.9rc2",
"v1.4.9rc1",
"v1.4.8.2",
"v1.4.8.1",
"v1.4.8",
"v1.4.8rc9",
"v1.4.8rc8",
"v1.4.8rc5",
"v1.4.8rc4",
"v1.4.8rc3",
"v1.4.8rc1",
"v1.4.7",
"v1.4.7rc2",
"v1.4.6",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.10",
"v1.3.9",
"v1.3.8",
"v1.3.7",
"v1.3.6",
"v1.3.4",
"v1.3.3",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.9",
"v1.2.8",
"v1.2.7",
"v1.2.6",
"v1.2.5",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.1.12",
"v1.1.11",
"v1.1.10",
"v1.1.9",
"v1.1.8",
"v1.1.7",
"v1.1.6",
"v1.1.5",
"v1.1.4",
"v1.1.3",
"v1.1.2",
"v1.1.1",
"v1.1.0",
"v1.0.9",
"v1.0.8",
"v1.0.7",
"v1.0.6",
"v1.0.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-61736.json"
}
}
],
"modified": "2026-10-28T02:30:37.699162829Z",
"provider": "osv",
"references": [
"https://github.com/HKUDS/LightRAG/releases/tag/v1.5.4",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61736.json",
"https://github.com/HKUDS/LightRAG/security/advisories/GHSA-6x6h-qqr7-855w",
"https://nvd.nist.gov/vuln/detail/CVE-2026-61736",
"https://github.com/HKUDS/LightRAG/commit/09567a4c983f580050db63569dd477122c058c3d",
"https://github.com/HKUDS/LightRAG/commit/df68d75f9dc29dd340ffb6794b48f48c4fdc9a2d",
"https://github.com/HKUDS/LightRAG/commit/ebba6548639c0f2e8919100eff76b401f1222252",
"https://github.com/HKUDS/LightRAG/pull/3317"
],
"provider_metadata": {
"cwe_ids": [
"CWE-942"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61736.json"
}
},
"related_cves": [
{
"value": "CVE-2026-61736",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505299,
"published_at": "2026-07-15T14:12:45.96+00:00"
}