CVE-2026-113386

{
  "id": "CVE-2026-113386",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-20T05:16:54.250",
  "lastModified": "2026-10-22T22:18:03.430",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command injection. A remote authenticated attacker can exploit this via CRLF sequences injected into the _uid parameter of the mail/headers and mail/viewsource actions to execute arbitrary IMAP commands."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Roundcube",
          "product": "Webmail",
          "defaultStatus": "unaffected",
          "repo": "https://github.com/roundcube/roundcubemail",
          "versions": [
            {
              "version": "1.6.0",
              "lessThan": "1.6.20",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "1.7.0",
              "lessThan": "1.7.5",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-22T21:17:05.331446Z",
          "id": "CVE-2026-113386",
          "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-93"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugs.debian.org/1151279",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/roundcube/roundcubemail/commit/004adaaeca4f6799715a54d12e3f657f19efcc9a",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/roundcube/roundcubemail/commit/bf5bc0266a8cd16be6b640409e64a6c6c2705049",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/roundcube/roundcubemail/commit/f62879defc0330ae240c72b83b2d00a8ab337447",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.20",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.5",
      "source": "[email protected]"
    },
    {
      "url": "https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5",
      "source": "[email protected]"
    }
  ]
}