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CVE

CVE-2026-103040

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

CVE-2026-103040

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

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103040.json, https://nvd.nist.gov/vuln/detail/CVE-2026-103040, https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-router-profiler-rpyc-service, https://github.com/ModelTC/LightLLM/issues/1597, https://github.com/ModelTC/LightLLM, https://github.com/ModelTC/lightllm, https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profilerservice.py#L32-L34, https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profilerservice.py#L46-L50

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.01014%
EPSS Percentile
0.63016%
Introduced Version
0
Fix Available

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