Deserialization in Hugging Face Lerobot
CVE-2026-25874
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…
Vulnerability class: Insecure Deserialization
EPSS: 0.002 (44.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hugging Face Lerobot — versions 0
- Huggingface Lerobot
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, technical-description, Third Party Advisory, exploit, Mitigation)
- disclosure@vulncheck.com (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- disclosure@vulncheck.com (Patch, Issue Tracking, mitigation)
- disclosure@vulncheck.com (vendor-advisory, Issue Tracking)
- disclosure@vulncheck.com (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-25874?
- CVE-2026-25874 is a critical-severity vulnerability in Hugging Face Lerobot, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-04-23.
- How severe is CVE-2026-25874?
- Critical severity. CVSS v3 base score is 9.8 out of 10.