CVE-2026-93688 in SGLanginfo

Summary

by MITRE • 09/18/2026

SGLang through 0.5.19 in prefill/decode disaggregation mode with Mooncake KV transfer backend fails to validate bootstrap_room values, allowing unbounded transfer state allocation. Unauthenticated attackers can reach the decode engine's POST /generate endpoint and submit arbitrary bootstrap_room values to exhaust prefill process memory until out-of-memory termination.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Responsible

VulnCheck

Reservation

09/18/2026

Disclosure

09/18/2026

Moderation

accepted

CPE

ready

EPSS

0.00000

KEV

no

Activities

very low

Sources

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!