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/lightrag_server.py does not impose a rate limit, accou…
Published: 2026-09-22 · CVSS: 9.1 · CVSS 3.1
LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the POST /login endpoint in lightrag/api/lightrag_server.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 request speed until a valid account password is found. Successful credential recovery grants authenticated access to documents, the knowledge graph, and administrative operations. This issue is fixed in version 1.5.5.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7