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CVE-2026-15974

Estado: AnalizadaMedia (6.5)—

SGLang contains an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitized image_url, allowing access to internal metadata, secrets, and services.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Lmsys — Sglang

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-15974",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-15974",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-31T19:25:23.555606Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cret@cert.org",
      "affectedData": [
        {
          "vendor": "SGLang",
          "product": "SGLang",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "v0.5.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-07-30T19:17:08.697",
  "references": [
    {
      "url": "https://github.com/sgl-project/sglang/security/advisories/GHSA-x7w5-h7rp-gfp9",
      "tags": [
        "Broken Link"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/",
      "tags": [
        "Third Party Advisory",
        "Mitigation"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/",
      "tags": [
        "Third Party Advisory",
        "Mitigation"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SGLang contains an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitized image_url, allowing access to internal metadata, secrets, and services."
    }
  ],
  "lastModified": "2026-08-04T20:42:09.780",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D82F7821-70EE-4810-B91A-843F0972EEAE",
              "versionEndIncluding": "0.5.15"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cret@cert.org"
}