GHSA-hvwj-8w5g-28rg

SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization

Source: GitHub Advisory Database (reviewed) High CVE-2026-3989

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	sglang	< 0.5.10	0.5.10

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2026-3989 advisory
https://github.com/sgl-project/sglang/pull/20904 web
https://github.com/sgl-project/sglang package
https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py web
https://github.com/sgl-project/sglang/releases/tag/v0.5.10 web
https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities web