CVE-2026-3989: SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization
(updated )
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
- github.com/advisories/GHSA-hvwj-8w5g-28rg
- github.com/sgl-project/sglang
- github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py
- github.com/sgl-project/sglang/pull/20904
- github.com/sgl-project/sglang/releases/tag/v0.5.10
- nvd.nist.gov/vuln/detail/CVE-2026-3989
- orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities
Code Behaviors & Features
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