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BREW-BACKGROUNDREMOVER-C… (GHSA-3P3H-QGHP-HVH2)

Vulnerability from osv_homebrew – Published: 2026-08-13 16:37 – Updated: 2026-09-09 23:43 – Source website
VLAI
Summary
Open Redirect in werkzeug
Details

Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.

Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "werkzeug",
        "resource_purl": "pkg:pypi/werkzeug@3.1.8",
        "upstream_fixed_in": "0.11.6"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "backgroundremover",
        "purl": "pkg:brew/backgroundremover"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/werkzeug@3.1.8",
        "name": "werkzeug",
        "resource": "werkzeug",
        "strategy": "registry",
        "subject_version": "3.1.8"
      }
    ]
  },
  "details": "Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.",
  "id": "BREW-backgroundremover-CVE-2020-28724",
  "modified": "2026-09-09T23:43:06Z",
  "published": "2026-08-13T16:37:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28724"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/flask/issues/1639"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/werkzeug/issues/822"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/werkzeug/pull/890/files"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pallets/werkzeug"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/werkzeug/PYSEC-2020-157.yaml"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Open Redirect in werkzeug",
  "upstream": [
    "GHSA-3p3h-qghp-hvh2",
    "CVE-2020-28724",
    "PYSEC-2020-157"
  ]
}



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