GHSA-HVWJ-8W5G-28RG

Vulnerability from github – Published: 2026-03-12 12:30 – Updated: 2026-04-07 22:14
VLAI?
Summary
SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization
Details

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.

Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.5.9"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "sglang"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-3989"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-12T17:39:04Z",
    "nvd_published_at": "2026-03-12T12:15:59Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-hvwj-8w5g-28rg",
  "modified": "2026-04-07T22:14:04Z",
  "published": "2026-03-12T12:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3989"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sgl-project/sglang/pull/20904"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sgl-project/sglang"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sgl-project/sglang/releases/tag/v0.5.10"
    },
    {
      "type": "WEB",
      "url": "https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization"
}


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