GitHub Advisoryadvisory · PyPI
GHSA-hvwj-8w5g-28rg SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization
HIGH
Official page ↗
- Aliases
- CVE-2026-3989
- Ecosystem
- PyPI
- Packages
- sglang
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-502
- Reviewed
- 2026-03-12
Affected packages
• PyPI sglang: < 0.5.10 → fixed in 0.5.10
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.
Related
Alias · CVE (1)
- CVE-2026-3989 SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization. vulnerability
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness
References
- 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