CVE-2026-3989

Name: CVE-2026-3989
Creator: NVD / NIST
Published: 2026-03-12T12:15:59.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.33%

Last modified Jun 17, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.33%

25.2th percentile

Probability of exploitation in the next 30 days. Learn more

References

https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py
https://github.com/sgl-project/sglang/pull/20904
https://github.com/sgl-project/sglang/releases/tag/v0.5.10
https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/

Timeline

Published: Mar 12, 2026
Last Modified: Jun 17, 2026
Status: Awaiting Analysis

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Source: NVD / NIST