LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server's unauthenticated /visual_register WebSocket endpoint that passes the first client frame directly to pickle.loads(). Attackers can reach the Config Server port and send a malicious serialized payload with a __reduce__ method to execute arbitrary code with Config Server process privileges.
History

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 14 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Modeltc
Modeltc lightllm
Vendors & Products Modeltc
Modeltc lightllm

Mon, 14 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
Description LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server's unauthenticated /visual_register WebSocket endpoint that passes the first client frame directly to pickle.loads(). Attackers can reach the Config Server port and send a malicious serialized payload with a __reduce__ method to execute arbitrary code with Config Server process privileges.
Title LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-14T11:30:59.783Z

Updated: 2026-09-14T14:24:32.920Z

Reserved: 2026-09-14T11:04:23.742Z

Link: CVE-2026-90919

cve-icon Vulnrichment

Updated: 2026-09-14T14:24:27.430Z

cve-icon NVD

Status : Deferred

Published: 2026-09-14T12:17:51.807

Modified: 2026-09-23T17:17:44.447

Link: CVE-2026-90919

cve-icon Redhat

No data.