FKIE_CVE-2026-48847

Vulnerability from fkie_nvd - Published: 2026-05-25 20:16 - Updated: 2026-05-26 19:26
Severity
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.
References
cve@mitre.orghttps://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa
cve@mitre.orghttps://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc729dd8ef272a
cve@mitre.orghttps://github.com/roundcube/roundcubemail/releases/tag/1.6.16
cve@mitre.orghttps://github.com/roundcube/roundcubemail/releases/tag/1.7.1
cve@mitre.orghttps://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass."
    }
  ],
  "id": "CVE-2026-48847",
  "lastModified": "2026-05-26T19:26:42.643",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-25T20:16:37.287",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc729dd8ef272a"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.16"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.1"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-669"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.