CVE-2026-3989

high

Description

SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization. An attacker can take advantage of this by providing a malicious .pkl file, which will execute the attackers code on the device running the script.

References

https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/

https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py

Details

Source: Mitre, NVD

Published: 2026-03-12

Updated: 2026-03-12

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00024