CVE-2026-75000 (GCVE-0-2026-75000)

Vulnerability from cvelistv5 – Published: 2026-08-17 12:45 – Updated: 2026-08-17 12:45
VLAI
Summary
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.
CWE
  • CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
Impacted products
Vendor Product Version CPE status
Roundcube Webmail Affected: 1.6.0 , < 1.6.18 (semver)
Affected: 1.7.0 , < 1.7.3 (semver)
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
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Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Webmail",
          "vendor": "Roundcube",
          "versions": [
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              "lessThan": "1.6.18",
              "status": "affected",
              "version": "1.6.0",
              "versionType": "semver"
            },
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              "version": "1.7.0",
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            }
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      ],
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                  "criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
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                },
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                  "versionEndExcluding": "1.7.3",
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                }
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            }
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          "value": "In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate \"by\" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          },
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          "scenarios": [
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            }
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      "problemTypes": [
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          "descriptions": [
            {
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              "description": "CWE-669 Incorrect Resource Transfer Between Spheres",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T12:45:56.860Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
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        {
          "url": "https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3"
        },
        {
          "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.18"
        },
        {
          "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.3"
        }
      ],
      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-75000",
    "datePublished": "2026-08-17T12:45:56.860Z",
    "dateReserved": "2026-08-17T12:45:56.473Z",
    "dateUpdated": "2026-08-17T12:45:56.860Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-75000\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-08-17T13:16:54.580\",\"lastModified\":\"2026-08-17T13:16:54.580\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate \\\"by\\\" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"Roundcube\",\"product\":\"Webmail\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"1.6.0\",\"lessThan\":\"1.6.18\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"1.7.0\",\"lessThan\":\"1.7.3\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N\",\"baseScore\":5.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-669\"}]}],\"references\":[{\"url\":\"https://github.com/roundcube/roundcubemail/releases/tag/1.6.18\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/roundcube/roundcubemail/releases/tag/1.7.3\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3\",\"source\":\"cve@mitre.org\"}]}}"
  }
}



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