CRITICAL

CVE-2026-103040

CVSS v3

9.8

CRITICAL

EPSS Score

0.8 %

exploit probability, as of 2026-09-30

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

LightLLM through 1.2.0 contains a remote code execution vulnerability in the router profiler service when started with --enable_profiling flag. The service exposes an unauthenticated RPyC server with pickle deserialization enabled, allowing attackers to execute arbitrary code by sending crafted serialized objects to the profiler command queue.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-09-29
Last Modified: 2026-09-29

Frequently asked questions

What is CVE-2026-103040?

Is CVE-2026-103040 actively exploited?

Active exploitation of CVE-2026-103040 has not been confirmed. Its EPSS score was 0.8% on 2026-09-30, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-103040?

CVE-2026-103040 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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