CVE-2026-90910

Full vulnerability record from the local CVENow database.

Description

Missing authentication for critical function vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. The reaction API did not enforce content visibility controls, allowing unauthorized users to read reaction metadata from restricted content or add and remove their own reactions. Users are recommended to upgrade to version 2.0.3, which fixes the issue.

Severity

CRITICAL

CVSS score

9.8 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-10-19 10:16:49.897000

Last modified

2026-10-19 20:45:51.597000

View original CVE JSON

{
  "id": "CVE-2026-90910",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-19T10:16:49.897",
  "lastModified": "2026-10-19T20:45:51.597",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing authentication for critical function vulnerability in Apache Answer.\n\n\n\nThis issue affects Apache Answer: through 2.0.2.\n\n\n\nThe reaction API did not enforce content visibility controls, allowing unauthorized users to read reaction metadata from restricted content or add and remove their own reactions.\n\n\n\nUsers are recommended to upgrade to version 2.0.3, which fixes the issue."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Answer",
          "defaultStatus": "unaffected",
          "packageURL": "pkg:software-id/apache.org/answer",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "2.0.2",
              "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:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-19T18:50:33.766805Z",
          "id": "CVE-2026-90910",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://lists.apache.org/thread/bhw80mvmnt9206wyqz80rcbwx1znv1p3",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/16/34",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}