CVE-2026-3989
HIGH7.8EPSS 0.02%SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization
Published: 3/12/2026Modified: 4/7/2026
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.
Affected packages (1)
- PyPI/sglangfrom 0, < 0.5.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-3989
- PATCHhttps://github.com/sgl-project/sglang
- WEBhttps://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py
- WEBhttps://github.com/sgl-project/sglang/pull/20904
- WEBhttps://github.com/sgl-project/sglang/releases/tag/v0.5.10
- WEBhttps://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities