CVE-2026-25874 | Hugging Face LeRobot up to 0.5.1 Pickle pickle.loads deserialization (ID 3047)

VDB-359219 · CVE-2026-25874 · ID 3047 HUGGING FACE LEROBOT UP TO 0.5.1 PICKLE PICKLE.LOADS DESERIALIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.0 $0-$5k 1.92+ Summaryinfo A vulnerability was found in Hugging Face LeRobot up to 0.5.1. It has been rated as critical. This vulnerability affects the function pickle.loads of the component Pickle Handler. The manipulation leads to deserialization. This vulnerability is traded as CVE-2026-25874. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch. Detailsinfo A vulnerability, which was classified as critical, has been found in Hugging Face LeRobot up to 0.5.1. This issue affects the function pickle.loads of the component Pickle Handler. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is: LeRobot 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. The weakness was shared by Valentin Lobstein as 3047. It is possible to read the advisory at chocapikk.com. The identification of this vulnerability is CVE-2026-25874 since 02/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. Productinfo Vendor Hugging Face Name LeRobot Version 0.5.0 0.5.1 CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 7.0 VulDB Base Score: 7.3 VulDB Temp Score: 7.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Deserialization CWE: CWE-502 / CWE-20 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Patch: github.com Timelineinfo 02/06/2026 CVE reserved 04/23/2026 +75 days Advisory disclosed 04/23/2026 +0 days VulDB entry created 04/23/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 3047 Researcher: Valentin Lobstein Status: Confirmed CVE: CVE-2026-25874 (🔒) GCVE (CVE): GCVE-0-2026-25874 GCVE (VulDB): GCVE-100-359219 Entryinfo Created: 04/23/2026 23:22 Changes: 04/23/2026 23:22 (69) Complete: 🔍 Cache ID: 99:52B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸