CVE-2026-102634

SGLang versions through 0.5.20 are vulnerable to a Denial of Service (DoS) when running in prefill/decode disaggregation mode with the Mooncake KV transfer backend . The root cause is a failure to validate duplicate bootstrap_room fields in /generate requests. An unauthenticated attacker can expl...

CVE-2026-102634: Use of Multiple Resources with Duplicate Identifier

SGLang through 0.5.20 in prefill/decode disaggregation mode fails to validate duplicate bootstraproom fields in /generate requests with Mooncake KV transfer backend. Unauthenticated attackers can send concurrent requests with identical bootstraproom values to crash scheduler processes or hang oth...

CVE-2026-92972: Missing Authentication for Critical Function

SGLang through 0.5.19 in prefill/decode disaggregation mode contains an unauthenticated PUT /route endpoint on the prefill bootstrap service that allows attackers to poison the KV transfer routing table. Attackers can supply arbitrary rankip and rankport values to redirect decode workers to...

CVE-2026-26220: Deserialization of Untrusted Data

LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD prefill-decode disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads without authentication or validation. A...

PT-2026-8395

Name of the Vulnerable Software and Affected Versions LightLLM versions prior to 1.1.1 Description An unauthenticated remote code execution issue exists in PD prefill-decode disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly t...