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CVE-2026-48912

Full vulnerability record from the local CVENow database.

Description

Improper Input Validation vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

Severity
MEDIUM
CVSS score
6.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-08-05 16:16:57.213000
Last modified
2026-10-24 16:10:00.153000
View original CVE JSON
{
  "id": "CVE-2026-48912",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-05T16:16:57.213",
  "lastModified": "2026-10-24T16:10:00.153",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de validación de entrada incorrecta en Apache Answer.\n\nEste problema afecta a Apache Answer: hasta la versión 2.0.1.\n\nUna comprobación de propiedad faltante en la lógica de limpieza de avatares permite a cualquier usuario autenticado eliminar archivos subidos por otros usuarios proporcionando sus URL de archivo.\nSe recomienda a los usuarios actualizar a la versión 2.0.2, que soluciona el problema."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Answer",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "2.0.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-06T14:37:35.646936Z",
          "id": "CVE-2026-48912",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.0.2",
              "matchCriteriaId": "5584F84D-4A07-42B6-8380-4DBD2C81D87B"
            }
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  ],
  "references": [
    {
      "url": "https://lists.apache.org/thread/b9jnttmspd9kp4vgbvb32dcqb4201flq",
      "source": "[email protected]",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/08/05/11",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    }
  ]
}