What is CVE-2023-48886?

CVE-2023-48886 is a critical-severity vulnerability in Luxiaoxun Nettyrpc, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-12-01.

How severe is CVE-2023-48886?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Luxiaoxun Nettyrpc

CVE-2023-48886

A deserialization vulnerability in NettyRpc v1.2 allows attackers to execute arbitrary commands via sending a crafted RPC request.

Vulnerability class: Insecure Deserialization

Published 2023-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.8th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Luxiaoxun Nettyrpc — versions 1.2

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

github.com/luxiaoxun/NettyRpc (Product)
github.com/luxiaoxun/NettyRpc/issues/53 (Exploit)

Frequently asked questions

What is CVE-2023-48886?: CVE-2023-48886 is a critical-severity vulnerability in Luxiaoxun Nettyrpc, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-12-01.
How severe is CVE-2023-48886?: Critical severity. CVSS v3 base score is 9.8 out of 10.