FKIE_CVE-2026-15971

Vulnerability from fkie_nvd - Published: 2026-07-30 19:17 - Updated: 2026-08-04 20:42
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled, allowing for a sandbox escape when DUMPER_SERVER_PORT is set, enabling code execution on inference requests.
References
cret@cert.orghttps://github.com/sgl-project/sglang/security/advisories/GHSA-h6rf-77vv-9mvjBroken Link
cret@cert.orghttps://thoughts.apoorvdayal.com/posts/sglang-disclosures/Third Party Advisory, Mitigation
134c704f-9b21-4f2e-91b3-4a467353bcc0https://thoughts.apoorvdayal.com/posts/sglang-disclosures/Third Party Advisory, Mitigation
Impacted products
Vendor Product Version
lmsys sglang *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "SGLang",
          "vendor": "SGLang",
          "versions": [
            {
              "lessThanOrEqual": "v0.5.15",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cret@cert.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D82F7821-70EE-4810-B91A-843F0972EEAE",
              "versionEndIncluding": "0.5.15",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled, allowing for a sandbox escape when DUMPER_SERVER_PORT is set, enabling code execution on inference requests."
    }
  ],
  "id": "CVE-2026-15971",
  "lastModified": "2026-08-04T20:42:42.453",
  "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-2026-15971",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-31T19:28:12.572820Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-30T19:17:08.590",
  "references": [
    {
      "source": "cret@cert.org",
      "tags": [
        "Broken Link"
      ],
      "url": "https://github.com/sgl-project/sglang/security/advisories/GHSA-h6rf-77vv-9mvj"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory",
        "Mitigation"
      ],
      "url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Third Party Advisory",
        "Mitigation"
      ],
      "url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-95"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.