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Critical

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

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-103040

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-103040

LightLLM

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/ModelTC/lightllm",
    "vendor": "ModelTC",
    "product": "LightLLM",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "1.2.0"
      }
    ],
    "packageURL": "pkg:github/ModelTC/lightllm",
    "packageName": "LightLLM",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-103040

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#4395 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement