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LMCache multiprocess mode hit by 9.8-rated RCE flaw

AI summary

According to iThome Taiwan, LMCache — a platform for large language model inference acceleration and cache management — has a critical remote code execution (RCE) vulnerability in its multiprocess mode, tracked as CVE-2026-105192 with a CVSS score of 9.8. The report does not state affected version ranges, exploitation prerequisites, whether the flaw has been exploited in the wild, or any official fix or mitigation.

In-depth insight

LMCache is widely used for LLM inference acceleration and caching, so a 9.8-rated RCE means teams running it should check and patch their deployments promptly.

大型語言模型推論加速及快取管理平臺LMCache爆出重大遠端程式碼執行漏洞CVE-2026-105192,CVSS風險評分達9.8。JFrog揭露,LMCache多行程模式用來交換資料的ZeroMQ服務缺乏身分驗證,收到的特定資料又會交給Python內建機制直接還原成程式物件,攻擊者只要能連上該服務,就可能在不需登入的情況下執行任意程式碼,目前尚無修補版本。

LMCache主要用來管理大型語言模型推論時產生的KV快取,讓先前算過的部分內容可以重複利用,減少模型再次運算所需的時間。而該漏洞出現在LMCache獨立運作的多行程模式,系統會開啟ZeroMQ通訊服務,讓不同LMCache行程註冊並交換KV快取資料,預設使用5555連接埠。

由於該通訊服務沒有身分或訊息驗證機制,LMCache收到特定格式的資料後,會直接交由Python的物件還原功能處理,而還原過程可能執行程式碼,因此攻擊者只要能連上服務,就可能透過特製的惡意訊息執行任意程式碼。

#LMCache

Original · 2 min readRead the original
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