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TI-2026-65561 Aliases CVE-2026-103040GHSA-c838-68vr-jxfw

LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Router Profiler RPyC Service

Priority HIGH 81CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01014 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ModelTCLightLLMup to 1.2.0—No fix listedCNA
  • LightLLM VendorModelTC Affected up to 1.2.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-103040
  2. 2026-10-03 Alias added: GHSA-c838-68vr-jxfw

References

Other 4

  • TI-2026-65681 LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Visual-Only RPyC Service CVSS 4.0CRITICAL 9.3
  • TI-2026-65562 LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Embed Cache RPyC Service CVSS 4.0CRITICAL 9.3
  • TI-2026-63189 LightLLM through 1.2.0 Missing Authentication in PD Master /pd_register WebSocket Endpoint CVSS 4.0CRITICAL 9.3
  • TI-2026-61785 LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization CVSS 4.0CRITICAL 9.3
  • TI-2026-21211 LightLLM <= 1.1.0 PD Mode Unsafe Deserialization RCE CVSS 4.0CRITICAL 9.3
  • TI-2026-74944 Unauthenticated denial of service in LightLLM via pd_kv_trans_params CVSS 4.0HIGH 8.7
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences