High severity7.5NVD Advisory· Published Sep 30, 2026· Updated Sep 30, 2026

CVE-2026-103270

Description

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.

Affected products

ModelTC/Lightllmllm-fuzzy
Range: <=1.2.0

Patches

Vulnerability mechanics

References

github.com/ModelTC/LightLLM/issues/1609nvd
github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/api_http.pynvd
github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/api_http_rl.pynvd
www.vulncheck.com/advisories/lightllm-through-1.2.0-missing-authentication-on-rl-control-routesnvd

News mentions

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