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CVE-2026-25874— LeRobot Unsafe Deserialization Remote Code Execution via gRPC

Quick assessment

Affected
Hugging Face LeRobot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

lerobot是Hugging Face开源的一个机器人编程库。 LeRobot 0.5.1及之前版本存在代码问题漏洞，该漏洞源于异步推理管道中的不安全反序列化，其中pickle.loads()用于反序列化通过未经身份验证的gRPC通道接收的数据，允许未经身份验证的网络可达攻击者通过发送特制pickle有效载荷实现任意代码执行。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.95% · P60

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hugging Face LeRobot ≤ 0.5.1 affected
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I. Basic Information for CVE-2026-25874

Vulnerability Information
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Vulnerability Title
LeRobot Unsafe Deserialization Remote Code Execution via gRPC
Source: CVE Program / CVE List V5
Vulnerability Description
LeRobot through 0.5.1 contains an unsafe deserialization vulnerability in the async inference pipeline where pickle.loads() is used to deserialize data received over unauthenticated gRPC channels without TLS in the policy server and robot client components. An unauthenticated network-reachable attacker can achieve arbitrary code execution on the server or client by sending a crafted pickle payload through the SendPolicyInstructions, SendObservations, or GetActions gRPC calls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
lerobot 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lerobot是Hugging Face开源的一个机器人编程库。 LeRobot 0.5.1及之前版本存在代码问题漏洞，该漏洞源于异步推理管道中的不安全反序列化，其中pickle.loads()用于反序列化通过未经身份验证的gRPC通道接收的数据，允许未经身份验证的网络可达攻击者通过发送特制pickle有效载荷实现任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hugging Face LeRobot 0 ~ 0.5.1 -

II. Public POCs for CVE-2026-25874

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III. Intelligence Information for CVE-2026-25874

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Patches & Fixes for CVE-2026-25874 (1)

Vendor Advisories for CVE-2026-25874 (2)

Security Blog Posts for CVE-2026-25874 (1)

IV. Related Vulnerabilities

Same product: LeRobot
Same vendor: Hugging Face
Same weakness: CWE-502

V. Comments for CVE-2026-25874

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