FKIE_CVE-2026-23939

Vulnerability from fkie_nvd - Published: 2026-02-26 20:31 - Updated: 2026-06-17 10:22
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in hexpm hexpm/hexpm ('Elixir.Hexpm.Store.Local' module) allows Relative Path Traversal. This vulnerability is associated with program files lib/hexpm/store/local.ex and program routines 'Elixir.Hexpm.Store.Local':get/3, 'Elixir.Hexpm.Store.Local':put/4, 'Elixir.Hexpm.Store.Local':delete/2, 'Elixir.Hexpm.Store.Local':delete_many/2. This issue does NOT affect hex.pm the service. Only self-hosted deployments using the Local Storage backend are affected. This issue affects hexpm: from 931ee0ed46fa89218e0400a4f6e6d15f96406050 before 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0.
References
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://cna.erlef.org/cves/CVE-2026-23939.html
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/hexpm/hexpm/commit/5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0Patch
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/hexpm/hexpm/security/advisories/GHSA-42mv-r64p-4869Mitigation, Vendor Advisory
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://osv.dev/vulnerability/EEF-CVE-2026-23939
Impacted products
Vendor Product Version
hex hexpm *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://github.com",
          "cpes": [
            "cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "\u0027Elixir.Hexpm.Store.Local\u0027"
          ],
          "packageName": "hexpm/hexpm",
          "packageURL": "pkg:github/hexpm/hexpm",
          "product": "hexpm",
          "programFiles": [
            "lib/hexpm/store/local.ex"
          ],
          "programRoutines": [
            {
              "name": "\u0027Elixir.Hexpm.Store.Local\u0027:get/3"
            },
            {
              "name": "\u0027Elixir.Hexpm.Store.Local\u0027:put/4"
            },
            {
              "name": "\u0027Elixir.Hexpm.Store.Local\u0027:delete/2"
            },
            {
              "name": "\u0027Elixir.Hexpm.Store.Local\u0027:delete_many/2"
            }
          ],
          "repo": "https://github.com/hexpm/hexpm.git",
          "vendor": "hexpm",
          "versions": [
            {
              "lessThan": "5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0",
              "status": "affected",
              "version": "931ee0ed46fa89218e0400a4f6e6d15f96406050",
              "versionType": "git"
            }
          ]
        }
      ],
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DCABE381-093D-4100-A8AB-0660BBF3F8E1",
              "versionEndExcluding": "2026-02-26",
              "versionStartIncluding": "2014-09-29",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027) vulnerability in hexpm hexpm/hexpm (\u0027Elixir.Hexpm.Store.Local\u0027 module) allows Relative Path Traversal. This vulnerability is associated with program files lib/hexpm/store/local.ex and program routines \u0027Elixir.Hexpm.Store.Local\u0027:get/3, \u0027Elixir.Hexpm.Store.Local\u0027:put/4, \u0027Elixir.Hexpm.Store.Local\u0027:delete/2, \u0027Elixir.Hexpm.Store.Local\u0027:delete_many/2.\n\nThis issue does NOT affect hex.pm the service. Only self-hosted deployments using the Local Storage backend are affected.\n\nThis issue affects hexpm: from 931ee0ed46fa89218e0400a4f6e6d15f96406050 before 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de Limitaci\u00f3n Inadecuada de un Nombre de Ruta a un Directorio Restringido (\u0027Salto de Ruta\u0027) en hexpm hexpm/hexpm (m\u00f3dulo \u0027Elixir.Hexpm.Store.Local\u0027) permite Salto de Ruta Relativo. Esta vulnerabilidad est\u00e1 asociada con los archivos de programa lib/hexpm/store/local.ex y las rutinas de programa \u0027Elixir.Hexpm.Store.Local\u0027:get/3, \u0027Elixir.Hexpm.Store.Local\u0027:put/4, \u0027Elixir.Hexpm.Store.Local\u0027:delete/2, \u0027Elixir.Hexpm.Store.Local\u0027:delete_many/2.\n\nEste problema NO afecta a hex.pm el servicio. Solo las implementaciones autoalojadas que utilizan el backend de Almacenamiento Local se ven afectadas.\n\nEste problema afecta a hexpm: desde 931ee0ed46fa89218e0400a4f6e6d15f96406050 antes de 5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0."
    }
  ],
  "id": "CVE-2026-23939",
  "lastModified": "2026-06-17T10:22:18.973",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-23939",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-26T20:24:13.786958Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-02-26T20:31:35.763",
  "references": [
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "url": "https://cna.erlef.org/cves/CVE-2026-23939.html"
    },
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/hexpm/hexpm/commit/5d2ccd2f14f45a63225a73fb5b1c937baf36fdc0"
    },
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/hexpm/hexpm/security/advisories/GHSA-42mv-r64p-4869"
    },
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "url": "https://osv.dev/vulnerability/EEF-CVE-2026-23939"
    }
  ],
  "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "type": "Secondary"
    }
  ]
}



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