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NVD description
LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, when LightRAG is deployed with LIGHTRAG_API_KEY set but AUTH_ACCOUNTS unset, X-API-Key protection can be bypassed because lightrag/api/auth.py falls back to a hardcoded DEFAULT_TOKEN_SECRET, /auth-status and /login can mint guest JWTs, and combined_dependency in lightrag/api/utils_api.py accepts a valid guest token before checking the API key. A remote unauthenticated attacker can call endpoints guarded by combined_auth, including document read, upload, deletion, graph mutation, and query endpoints. This vulnerability is fixed in 1.5.4.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
🔴 LightRAG, Authentication Bypass, #CVE-2026-61740 (Critical) -DC-Jul2026-1103 https://dailycve.com/lightrag-authentication-bypass-cve-2026-61740-critical-dc-jul2026-1103/
Post summary
The text announces a critical authentication bypass vulnerability (#CVE-2026-61740) in LightRAG, without providing further details such as PoCs, exploits, or patches.