CVE-2026-3989

HIGH

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/12/2026

Last Modified3/16/2026

Sourcenvd

Honeypot Sightings0

References

https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py(cret@cert.org)

https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/(cret@cert.org)

IOC Correlations

No correlations recorded

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