CVE-2026-85734— LightRAG: No Rate Limiting on /login Endpoint Allows Brute-Force Attacks
一分钟漏洞结论
影响对象
HKUDS LightRAG
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
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 attacke
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一、 漏洞 CVE-2026-85734 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
LightRAG: No Rate Limiting on /login Endpoint Allows Brute-Force Attacks
来源: CVE Program / CVE List V5
Vulnerability Description
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.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-85734 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
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未找到公开 POC。
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CVE-2026-85734 补丁与修复 (2)
CVE-2026-85734 其他参考 (2)
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Release v1.5.5 · HKUDS/LightRAG · GitHub x_refsource_MISC
同批安全公告 · HKUDS · 2026-09-22 · 共 5 条
| CVE-2026-85740 | 7.1 HIGH | LightRAG: SSRF via IPv6-transition address bypass (NAT64, IPv4-compatible, 6to4) of the na |
| CVE-2026-86062 | 6.1 MEDIUM | LightRAG: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via |
| CVE-2026-85725 | 5.9 MEDIUM | LightRAG: Plaintext Passwords Compared Without Constant-Time Function |
| CVE-2026-85709 | 5.3 MEDIUM | LightRAG: Sensitive Information Exposure Through Raw Exception Messages in API Error Respo |
IV. Related Vulnerabilities
Same product: LightRAG
-
CVE-2026-86062
LightRAG: Stored Cross-Site Scripting (XSS) in the LightRAG -
CVE-2026-85740
LightRAG: SSRF via IPv6-transition address bypass (NAT64, IP -
CVE-2026-85725
LightRAG: Plaintext Passwords Compared Without Constant-Time -
CVE-2026-85709
LightRAG: Sensitive Information Exposure Through Raw Excepti -
CVE-2026-61808
Data Intelligence Lab@HKU LightRAG 授权问题漏洞
Same vendor: HKUDS
-
CVE-2026-86062
LightRAG: Stored Cross-Site Scripting (XSS) in the LightRAG -
CVE-2026-85740
LightRAG: SSRF via IPv6-transition address bypass (NAT64, IP -
CVE-2026-85725
LightRAG: Plaintext Passwords Compared Without Constant-Time -
CVE-2026-85709
LightRAG: Sensitive Information Exposure Through Raw Excepti -
CVE-2026-92576
HKUDS nanobot 0.3.0前服务器端请求伪造漏洞
Same weakness: CWE-307
-
CVE-2026-56682
9Router: Login Brute-Force Lockout Bypass via Spoofable X-9r -
CVE-2026-46649
Joplin: SSO Auth Code Login Missing Rate Limiting — 9-Digit -
CVE-2026-58271
@sync-in/server vulnerable to TOTP Brute-Force via `POST /ap -
CVE-2026-77561
Tinyauth: Unauthenticated login attempts can trigger global -
CVE-2026-93650
Saleor throttling.py get_client_ip 认证绕过漏洞
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