CVE-2026-85725

Prior to version 1.5.5 , LightRAG is vulnerable to a timing attack in the verify_password function within lightrag/api/passwords.py. The application uses Python's == operator to compare plaintext password values in AUTH_ACCOUNTS, which short-circuits on the first mismatching byte. A network attac...

CVE-2026-85725 LightRAG: Plaintext Passwords Compared Without Constant-Time Function

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, verifypassword in lightrag/api/passwords.py compares plaintext AUTHACCOUNTS password values with Python's == operator. The comparison can return after the first mismatching byte, creating response-time differences...

CVE-2026-85725 LightRAG: Plaintext Passwords Compared Without Constant-Time Function

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, verifypassword in lightrag/api/passwords.py compares plaintext AUTHACCOUNTS password values with Python's == operator. The comparison can return after the first mismatching byte, creating response-time differences...

CVE-2026-85725 LightRAG: Plaintext Passwords Compared Without Constant-Time Function

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, verifypassword in lightrag/api/passwords.py compares plaintext AUTHACCOUNTS password values with Python's == operator. The comparison can return after the first mismatching byte, creating response-time differences...

EUVD-2026-84546

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, verifypassword in lightrag/api/passwords.py compares plaintext AUTHACCOUNTS password values with Python's == operator. The comparison can return after the first mismatching byte, creating response-time differences...

CVE-2026-85709 LightRAG: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in documentroutes.py, graphroutes.py, queryroutes.py, ollamaapi.py, and lightragserver.py. The detail=stre, detail=strexc, and equivalent...

EUVD-2026-84545

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in documentroutes.py, graphroutes.py, queryroutes.py, ollamaapi.py, and lightragserver.py. The detail=stre, detail=strexc, and equivalent...

CVE-2026-85709 LightRAG: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in documentroutes.py, graphroutes.py, queryroutes.py, ollamaapi.py, and lightragserver.py. The detail=stre, detail=strexc, and equivalent...

CVE-2026-85709

The LightRAG API server (prior to version 1.5.5 ) is vulnerable to sensitive information exposure because it returns raw Python exception text in HTTP error responses. Specifically, error handlers in document_routes.py, graph_routes.py, query_routes.py, ollama_api.py, and lightrag_server.py pass ...

CVE-2026-85709 LightRAG: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in documentroutes.py, graphroutes.py, queryroutes.py, ollamaapi.py, and lightragserver.py. The detail=stre, detail=strexc, and equivalent...

PT-2026-96826

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description LightRAG contains a Server-Side Request Forgery SSRF issue in its native markdown parser. The validated addresses function in lightrag/parser/markdown/parser.py fails to consistently decode IPv6...

CVE-2026-85725: Observable Timing Discrepancy

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, verifypassword in lightrag/api/passwords.py compares plaintext AUTHACCOUNTS password values with Python's == operator. The comparison can return after the first mismatching byte, creating response-time differences...

CVE-2026-85740: Server-Side Request Forgery (SSRF)

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, validatedaddresses in lightrag/parser/markdown/parser.py evaluates the literal resolved address with ipaddress.isglobal without consistently classifying an IPv4 address embedded in an IPv6 transition wrapper. A call...

CVE-2026-85734: Improper Restriction of Excessive Authentication Attempts

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-2026-96823

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description The LightRAG API server returns raw Python exception text in HTTP error responses across multiple routers, including document routes.py, graph routes.py, query routes.py, ollama api.py, and lightrag...

PT-2026-96828

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description LightRAG WebUI is subject to stored cross-site scripting XSS because it renders assistant answer and thinking content as raw HTML without an HTML sanitizer. The application uses react-markdown...

CVE-2026-85709: Generation of Error Message Containing Sensitive Information

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in documentroutes.py, graphroutes.py, queryroutes.py, ollamaapi.py, and lightragserver.py. The detail=stre, detail=strexc, and equivalent...

CVE-2026-86062: Improper Neutralization of Input During Web Page Generation

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, lightragwebui/src/components/retrieval/ChatMessage.tsx renders answer and thinking content with react-markdown, rehypeRaw, and skipHtml=false without an HTML sanitizer. An attacker who can add a document can store r...

PT-2026-96825

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description The 'POST /login' endpoint in lightrag/api/lightrag server.py does not implement rate limiting, account lockout, delays, or counters for failed authentication attempts. This allows a network attacke...

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...