Vulnerability-Lookup

PYSEC-2026-538

Vulnerability from pysec - Published: 2026-06-29 11:50 - Updated: 2026-07-01 20:23

Details

SGLang's multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.

Severity ?

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Impacted products

Name	purl
sglang	pkg:pypi/sglang

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sglang",
        "purl": "pkg:pypi/sglang"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.5"
            },
            {
              "last_affected": "0.5.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.10",
        "0.5.10.post1",
        "0.5.10rc0",
        "0.5.11",
        "0.5.12",
        "0.5.5",
        "0.5.5.post1",
        "0.5.5.post2",
        "0.5.5.post3",
        "0.5.6",
        "0.5.6.post1",
        "0.5.6.post2",
        "0.5.7",
        "0.5.8",
        "0.5.8.post1",
        "0.5.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-7302",
    "GHSA-qwrp-wghp-94q2"
  ],
  "details": "SGLang\u0027s multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.",
  "id": "PYSEC-2026-538",
  "modified": "2026-07-01T20:23:05.004815Z",
  "published": "2026-06-29T11:50:50.577356Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7302"
    },
    {
      "type": "WEB",
      "url": "https://antiproof.ai/blog/three-rces-in-sglang"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sgl-project/sglang"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sgl-project/sglang/tree/main/python/sglang"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/sglang"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-qwrp-wghp-94q2"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SGLang\u0027s multimodal generation runtime has an unauthenticated path traversal vulnerability"
}

CVE-2026-7302 (GCVE-0-2026-7302)

Vulnerability from cvelistv5 – Published: 2026-05-18 10:39 – Updated: 2026-05-18 14:05

Title

CVE-2026-7302

Summary

SGLangs multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.

Severity ?

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CWE

CWE-35 - Path Traversal: '.../...//'

Assigner

certcc

References

URL

Tags

	https://github.com/sgl-project/sglang/tree/main/p…
	https://antiproof.ai/blog/three-rces-in-sglang/

Impacted products

	Vendor	Product	Version
	SGLang	SGLang	Affected: 5.10

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.1,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-7302",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-18T14:05:10.011911Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-35",
                "description": "CWE-35 Path Traversal: \u0027.../...//\u0027",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-18T14:05:33.942Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SGLang",
          "vendor": "SGLang",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SGLangs multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-35: Path Traversal: \u0027.../...//\u0027",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-18T10:39:27.474Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://github.com/sgl-project/sglang/tree/main/python/sglang"
        },
        {
          "url": "https://antiproof.ai/blog/three-rces-in-sglang/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-7302",
      "x_generator": {
        "engine": "VINCE 3.0.40",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-7302"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2026-7302",
    "datePublished": "2026-05-18T10:39:27.474Z",
    "dateReserved": "2026-04-28T11:44:06.203Z",
    "dateUpdated": "2026-05-18T14:05:33.942Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-QWRP-WGHP-94Q2

Vulnerability from github – Published: 2026-05-18 12:31 – Updated: 2026-05-29 17:26

Summary

SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability

Details

Severity ?

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sglang"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.5"
            },
            {
              "last_affected": "0.5.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-7302"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-35"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-29T17:26:20Z",
    "nvd_published_at": "2026-05-18T12:16:16Z",
    "severity": "CRITICAL"
  },
  "details": "SGLang\u0027s multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.",
  "id": "GHSA-qwrp-wghp-94q2",
  "modified": "2026-05-29T17:26:20Z",
  "published": "2026-05-18T12:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7302"
    },
    {
      "type": "WEB",
      "url": "https://antiproof.ai/blog/three-rces-in-sglang"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sgl-project/sglang"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sgl-project/sglang/tree/main/python/sglang"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SGLang\u0027s multimodal generation runtime has an unauthenticated path traversal vulnerability"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

PYSEC-2026-538

CVE-2026-7302 (GCVE-0-2026-7302)

GHSA-QWRP-WGHP-94Q2

Tags

Sightings

Nomenclature