CVE-2026-61740 LightRAG: Authentication bypass: hardcoded DEFAULT_TOKEN_SECRET and public /auth-status defeat LIGHTRAG_API_KEY protection

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, when LightRAG is deployed with LIGHTRAGAPIKEY set but AUTHACCOUNTS unset, X-API-Key protection can be bypassed because lightrag/api/auth.py falls back to a hardcoded DEFAULTTOKENSECRET, /auth-status and /login can...

CVE-2026-61740

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, when LightRAG is deployed with LIGHTRAGAPIKEY set but AUTHACCOUNTS unset, X-API-Key protection can be bypassed because lightrag/api/auth.py falls back to a hardcoded DEFAULTTOKENSECRET, /auth-status and /login can...

CVE-2026-61740

LightRAG vulnerability CVE-2026-61740 affects LightRAG prior to v1.5.4. When LIGHTRAG_API_KEY is set but AUTH_ACCOUNTS is unset, authentication protection can be bypassed: lightrag/api/auth.py falls back to a hardcoded DEFAULT_TOKEN_SECRET, /auth-status and /login can mint guest JWTs, and combine...

CVE-2026-61740 LightRAG: Authentication bypass: hardcoded DEFAULT_TOKEN_SECRET and public /auth-status defeat LIGHTRAG_API_KEY protection

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, when LightRAG is deployed with LIGHTRAGAPIKEY set but AUTHACCOUNTS unset, X-API-Key protection can be bypassed because lightrag/api/auth.py falls back to a hardcoded DEFAULTTOKENSECRET, /auth-status and /login can...

CVE-2026-61736 LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORSORIGINS= combined with allowcredentials=True in lightrag/api/lightragserver.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin request...

CVE-2026-61736

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORSORIGINS= combined with allowcredentials=True in lightrag/api/lightragserver.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin request...

CVE-2026-61736 LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORSORIGINS= combined with allowcredentials=True in lightrag/api/lightragserver.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin request...

CVE-2026-61736

LightRAG vulnerability CVE-2026-61736 stems from a CORS misconfiguration prior to version 1.5.4: CORS_ORIGINS is set to '*' and allow_credentials=True in lightrag/api/lightrag_server.py, causing Starlette CORSMiddleware to effectively whitelist all origins for credentialed cross-origin requests. ...

PT-2026-60193

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.4 Description An authentication bypass occurs when the software is deployed with LIGHTRAG API KEY configured but AUTH ACCOUNTS is not set. This happens because the lightrag/api/auth.py file reverts to a hardcoded...

CVE-2026-61740: Improper Authentication

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, when LightRAG is deployed with LIGHTRAGAPIKEY set but AUTHACCOUNTS unset, X-API-Key protection can be bypassed because lightrag/api/auth.py falls back to a hardcoded DEFAULTTOKENSECRET, /auth-status and /login can...

CVE-2026-61736: Permissive Cross-domain Policy with Untrusted Domains

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORSORIGINS= combined with allowcredentials=True in lightrag/api/lightragserver.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin request...

lightrag-hku: JWT Algorithm Confusion Vulnerability

SummaryThe LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none' algorithm, a crafted token without a signature will be accepted as valid, leadi...

PYSEC-2026-2593 LightRAG: Hardcoded JWT Signing Secret Allows Authentication Bypass

Subject: Security Vulnerability Report Hardcoded JWT Secret CVE-2026-30762 Hi HKUDS team, I'm writing to report a security vulnerability I discovered in LightRAG v1.4.10. This has been assigned CVE-2026-30762 by MITRE. Vulnerability: Hardcoded JWT signing secret Type: Improper Authentication...

Improper Authentication

Overview lightrag-hku is a LightRAG: Simple and Fast Retrieval-Augmented Generation Affected versions of this package are vulnerable to Improper Authentication via the file lightrag/api/config.py that uses a default JWT secret "lightrag-jwt-default-secret" when the TOKENSECRET environment variabl...

PT-2026-59247

Summary The LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none' algorithm, a crafted token without a signature will be accepted as valid,...

PYSEC-2026-1539 HKUDS LightRAG allows Path Traversal via function upload_to_input_dir

A vulnerability was found in HKUDS LightRAG up to 1.3.8. It has been declared as critical. Affected by this vulnerability is the function uploadtoinputdir of the file lightrag/api/routers/documentroutes.py of the component File Upload. The manipulation of the argument file.filename leads to path...

CVE-2026-39413

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.4.14, the LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none'...

CVE-2026-39413 LightRAG has a JWT Algorithm Confusion Vulnerability in LightRAG API

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.4.14, the LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none'...

CVE-2026-39413 LightRAG has a JWT Algorithm Confusion Vulnerability in LightRAG API

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.4.14, the LightRAG API is vulnerable to a JWT algorithm confusion attack where an attacker can forge tokens by specifying 'alg': 'none' in the JWT header. Since the jwt.decode call does not explicitly deny the 'none'...

CVE-2026-39413

LightRAG is vulnerable to a JWT algorithm confusion attack in versions prior to 1.4.14 of its API. An attacker can forge tokens with alg: none in the JWT header because jwt.decode() does not explicitly disallow none, allowing another party to access protected resources without a valid signature. ...