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LightLLM through 1.2.0 Missing Authentication on RL Control Routes

Type: advisorySource: Official CVE List1 source record

LightLLM through 1.2.0 mounts reinforcement learning control routes on the public HTTP API without authentication checks. Unauthenticated attackers can call endpoints like /pause_generation, /abort_request, /flush_cache, and /init_weights_update_group to disrupt inference operations and wedge workers on deployments started with --enable_rl.

Announced Group revision 1
Original source ↗

CVE-2026-103270

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-2026-103270

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",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-103270

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#4584 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement