CVE-2025-3677
MEDIUMlm-sys fastchat <0.2.36 - Deserialization
Title source: llmDescription
A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the function split_files/apply_delta_low_cpu_mem of the file fastchat/model/apply_delta.py. The manipulation leads to deserialization. An attack has to be approached locally.
Scores
CVSS v3
5.3
EPSS
0.0013
EPSS Percentile
32.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Classification
CWE
CWE-502
CWE-20
Status
draft
Timeline
Published
Apr 16, 2025
Tracked Since
Feb 18, 2026