FKIE_CVE-2026-7301

Vulnerability from fkie_nvd - Published: 2026-05-18 12:16 - Updated: 2026-06-17 11:02
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.
References
cret@cert.orghttps://antiproof.ai/blog/three-rces-in-sglang/Permissions Required
cret@cert.orghttps://github.com/sgl-project/sglang/tree/main/python/sglangProduct
Impacted products
Vendor Product Version
lmsys sglang 0.5.10
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "SGLang",
          "vendor": "SGLang",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            }
          ]
        }
      ],
      "source": "cret@cert.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lmsys:sglang:0.5.10:-:*:*:*:*:*:*",
              "matchCriteriaId": "E0022BC8-935B-474C-AD8D-B01417AC7092",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SGLangs multimodal generation runtime scheduler\u0027s ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet."
    }
  ],
  "id": "CVE-2026-7301",
  "lastModified": "2026-06-17T11:02:09.857",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-7301",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-18T14:06:17.378524Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-18T12:16:16.480",
  "references": [
    {
      "source": "cret@cert.org",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://antiproof.ai/blog/three-rces-in-sglang/"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/sgl-project/sglang/tree/main/python/sglang"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.