{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.5.14"
              },
              {
                "introduced": "1.6.0"
              },
              {
                "fixed": "1.6.14"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d742954ccbcdee7020f8f2e7c49ce0fca5a0efab"
            },
            {
              "introduced": "993b888afe29c383bf45c84f17090f4db96367ba"
            },
            {
              "fixed": "27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870"
            },
            {
              "fixed": "618c5428edc69fb088e7ac6c89e506dd39df3"
            },
            {
              "fixed": "6d586cfa4d8a31f7957f7a445aaedd52592a0e74"
            },
            {
              "fixed": "a4ead994d2f0ea92e4a1603196a197e0d5df1620"
            },
            {
              "fixed": "8e4a99b0746577c2928f5ae984b3ab533b970ca0"
            }
          ],
          "repo": "https://github.com/roundcube/roundcubemail",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35537.json"
  },
  "details": "An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data.",
  "id": "CVE-2026-35537",
  "modified": "2026-07-15T01:48:51.579330576Z",
  "published": "2026-04-03T03:28:29.321Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/11/6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.5.14"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.14"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5"
    },
    {
      "type": "WEB",
      "url": "https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35537.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35537"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506dd39df3"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd52592a0e74"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197e0d5df1620"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}