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.
History

Mon, 16 Mar 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 13 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Sglang
Sglang sglang
Vendors & Products Sglang
Sglang sglang

Thu, 12 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
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.
Title CVE-2026-3989
References

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2026-03-12T11:37:48.314Z

Updated: 2026-03-16T18:21:27.134Z

Reserved: 2026-03-11T16:41:06.512Z

Link: CVE-2026-3989

cve-icon Vulnrichment

Updated: 2026-03-16T18:20:56.612Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-12T12:15:59.630

Modified: 2026-03-16T19:16:18.187

Link: CVE-2026-3989

cve-icon Redhat

No data.