CVE-2026-25874

9.8 CRITICAL
Published: April 23, 2026 Modified: April 28, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://chocapikk.com/posts/2026/lerobot-pickle-rce/
Source: disclosure@vulncheck.com
Exploit Mitigation Third Party Advisory
https://github.com/huggingface/lerobot/issues/3047
Source: disclosure@vulncheck.com
Exploit Issue Tracking Third Party Advisory
https://github.com/huggingface/lerobot/issues/3134
Source: disclosure@vulncheck.com
Issue Tracking
https://github.com/huggingface/lerobot/pull/3048
Source: disclosure@vulncheck.com
Issue Tracking Patch

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.1%
30th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

huggingface