Security advisory

{
  "id": "52c632e2d6b17b3d6372a05ef0de8844ef9f8080025b40618a2fbcf5f2135f64",
  "url": "https://osv.dev/vulnerability/CVE-2026-3059",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-3059",
    "summary": "SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.",
    "evidence": "osv:CVE-2026-3059",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-3059",
      "aliases": [
        "CVE-2026-3059",
        "GHSA-3cp7-c6q2-94xr",
        "GHSA-rgq9-fqf5-fv58",
        "PYSEC-2026-539"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sgl-project/sglang",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0c006b8809cd99e1f95926401a2823dd952641c8"
                },
                {
                  "fixed": "1519acf37c23f2189adb93f57ca9cd2db1bebf18"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.5.5"
                      },
                      {
                        "last_affected": "0.5.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1519acf37c23f2189adb93f57ca9cd2db1bebf18"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.5.10"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.5.10",
            "gateway-v0.3.1",
            "gateway-v0.3.0",
            "v0.5.6.post2",
            "gateway-v0.2.4",
            "v0.5.6.post1",
            "v0.5.6",
            "v0.5.5",
            "v0.5.5.post3",
            "gateway-v0.2.3",
            "v0.5.5.post2",
            "v0.5.5.post1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3059.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.361751567Z",
      "provider": "osv",
      "references": [
        "https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py",
        "https://github.com/sgl-project/sglang/releases/tag/v0.5.10",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3059.json",
        "https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-3059",
        "https://github.com/sgl-project/sglang/pull/20904",
        "https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/"
      ],
      "provider_metadata": {
        "cna_assigner": "certcc",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3059.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-3059",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508887,
  "published_at": "2026-03-12T11:37:25.713+00:00"
}