CVE-2026-3989

CVSS 7.8 HIGHEPSS 0.3%

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

SGLang · SGLang

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References

https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py https://github.com/sgl-project/sglang/pull/20904 https://github.com/sgl-project/sglang/releases/tag/v0.5.10 https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/