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High 7.8Published Mar 12, 2026
CVE-2026-3989SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
lmsys sglang lmsys:sglang | before 0.5.10 | NVD |
References
- https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.pyproduct
- https://github.com/sgl-project/sglang/pull/20904issue-tracking, patch
- https://github.com/sgl-project/sglang/releases/tag/v0.5.10release-notes
- https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/exploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.