CVE-2025-10164High· 7.3▾ TwilightSGLang Remote Code Execution Vulnerability via Unsafe Deserialization in update_weights_from_tensor
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 40.2 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
0.4% → 0.4%
A security flaw has been discovered in lmsys sglang 0.4.6. Affected by this vulnerability is the function main of the file /update_weights_from_tensor. The manipulation of the argument serialized_named_tensors results in deserialization. The attack can be launched remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
sglang < 0.5.4Upgrade to a patched release:
sglang 0.5.4Connected by shared product, vendor, weakness, or advisory.
CVE-2026-10775Low· 3.6SGLang is Vulnerable to DoS via the data_hash Function
CVE-2026-3989High· 7.8SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization
CVE-2026-7669Medium· 5.6SGLang has an Improper Input Validation/Injection Issue
CVE-2026-10300Low· 3.7SGLang: Reachable Assertion via lora_path in LoRAManager enables remote Denial of Dervice
CVE-2026-93838Medium· 5.9SGLang versions through 0.5.20 contain an unbounded memory allocation vulnerability in handle_staging_req() that fails to validate chunk_idx from ZMQ STAGING_REQ frames in prefill/decode disaggregation deployments
CVE-2026-93688High· 7.5SGLang 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