CVE-2026-85734 LightRAG: No Rate Limiting on /login Endpoint Allows Brute-Force Attacks

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the POST /login endpoint in lightrag/api/lightragserver.py does not impose a rate limit, account lockout, delay, or counter for failed authentication attempts. A network attacker can submit password guesses at full...

PT-2026-96824

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description When plaintext passwords are stored in AUTH ACCOUNTS, the verify password function in lightrag/api/passwords.py uses the Python == operator for comparison. This operator is not constant-time and...

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...

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,...

CVE-2026-30762

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...

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'...

PT-2026-31285

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.4.14 Description The LightRAG API is susceptible to a JWT algorithm confusion attack. An attacker can forge tokens by setting 'alg': 'none' in the JWT header. The jwt.decode function does not explicitly disallow th...