CVE-2026-126933 (GCVE-0-2026-126933)

Vulnerability from cvelistv5 – Published: 2026-11-11 22:53 – Updated: 2026-11-11 22:53
VLAI
Title
Zipline 4.0.0 before 4.8.0 Disabled Extensions Upload Filter Bypass via Extension Format Mismatch
Summary
Zipline 4.0.0 before 4.8.0 contains an upload filter bypass vulnerability that allows users with upload access to store blocked file types due to extension format mismatch. The upload and partial handlers compare dotted, case-sensitive extensions against undotted disabledExtensions entries, letting authenticated or permitted unauthenticated folder uploaders bypass administrator restrictions.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
diced zipline Affected: 4.0.0 , < 4.8.0 (semver)
Create a notification for this product.
Date Public
2026-09-27 00:00
Credits
Sandipkumar sah
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/diced/zipline",
          "product": "zipline",
          "vendor": "diced",
          "versions": [
            {
              "lessThan": "4.8.0",
              "status": "affected",
              "version": "4.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Sandipkumar sah"
        }
      ],
      "datePublic": "2026-09-27T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Zipline 4.0.0 before 4.8.0 contains an upload filter bypass vulnerability that allows users with upload access to store blocked file types due to extension format mismatch. The upload and partial handlers compare dotted, case-sensitive extensions against undotted disabledExtensions entries, letting authenticated or permitted unauthenticated folder uploaders bypass administrator restrictions."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-184",
              "description": "Incomplete List of Disallowed Inputs",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-11T22:53:18.764Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-wwrw-gq56-7wpj)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/diced/zipline/security/advisories/GHSA-wwrw-gq56-7wpj"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/diced/zipline/commit/dbc1fe502130a8ebd95fa04886efec01402e5b5f"
        },
        {
          "name": "zipline v4.8.0 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/diced/zipline/releases/tag/v4.8.0"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/diced/zipline/blob/v4.7.0/src/server/routes/api/upload/index.ts#L170"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/diced/zipline/blob/v4.7.0/src/server/routes/api/upload/partial.ts#L294"
        },
        {
          "name": "VulnCheck Advisory: Zipline 4.0.0 before 4.8.0 Disabled Extensions Upload Filter Bypass via Extension Format Mismatch",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/zipline-4.0.0-before-4.8.0-disabled-extensions-upload-filter-bypass-via-extension-format-mismatch"
        }
      ],
      "title": "Zipline 4.0.0 before 4.8.0 Disabled Extensions Upload Filter Bypass via Extension Format Mismatch",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-126933",
    "datePublished": "2026-11-11T22:53:18.764Z",
    "dateReserved": "2026-11-11T22:45:25.520Z",
    "dateUpdated": "2026-11-11T22:53:18.764Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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