CVE-2026-13666 (GCVE-0-2026-13666)
Vulnerability from cvelistv5
Published
2026-09-18 08:22
Modified
2026-09-18 19:11
CWE
  • CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Summary
An improper neutralization of CRLF sequences ('CRLF Injection') vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write limited files when a victim clicks a sharing URL.
Impacted products
Vendor Product Version
Synology DiskStation Manager (DSM) Version: 7.4   ≤
Version: 7.3.2   ≤
Version: 7.2.2   ≤
Version: 7.2.1   ≤
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-13666",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-18T19:10:49.926529Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-18T19:11:08.435Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "DiskStation Manager (DSM)",
          "vendor": "Synology",
          "versions": [
            {
              "lessThan": "7.4-90075",
              "status": "affected",
              "version": "7.4",
              "versionType": "semver"
            },
            {
              "lessThan": "7.3.2-86009-4",
              "status": "affected",
              "version": "7.3.2",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.2-72806-9",
              "status": "affected",
              "version": "7.2.2",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.1-69057-12",
              "status": "affected",
              "version": "7.2.1",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.1",
              "status": "unknown",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Brendan O\u0027Rourke"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An improper neutralization of CRLF sequences (\u0027CRLF Injection\u0027) vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write limited files when a victim clicks a sharing URL."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-93",
              "description": "Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-18T08:22:29.078Z",
        "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "shortName": "synology"
      },
      "references": [
        {
          "name": "Synology-SA-26:13 DSM",
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_13"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
    "assignerShortName": "synology",
    "cveId": "CVE-2026-13666",
    "datePublished": "2026-09-18T08:22:29.078Z",
    "dateReserved": "2026-06-29T10:30:40.284Z",
    "dateUpdated": "2026-09-18T19:11:08.435Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-13666\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-18T19:10:49.926529Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-18T19:10:55.897Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Brendan O\u0027Rourke\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Synology\", \"product\": \"DiskStation Manager (DSM)\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.4\", \"lessThan\": \"7.4-90075\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"7.3.2\", \"lessThan\": \"7.3.2-86009-4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"7.2.2\", \"lessThan\": \"7.2.2-72806-9\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"7.2.1\", \"lessThan\": \"7.2.1-69057-12\", \"versionType\": \"semver\"}, {\"status\": \"unknown\", \"version\": \"0\", \"lessThan\": \"7.2.1\", \"versionType\": \"semver\"}], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://www.synology.com/en-global/security/advisory/Synology_SA_26_13\", \"name\": \"Synology-SA-26:13 DSM\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An improper neutralization of CRLF sequences (\u0027CRLF Injection\u0027) vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write limited files when a victim clicks a sharing URL.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-93\", \"description\": \"Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"db201096-a0cc-46c7-9a55-61d9e221bf01\", \"shortName\": \"synology\", \"dateUpdated\": \"2026-09-18T08:22:29.078Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-13666\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-18T19:11:08.435Z\", \"dateReserved\": \"2026-06-29T10:30:40.284Z\", \"assignerOrgId\": \"db201096-a0cc-46c7-9a55-61d9e221bf01\", \"datePublished\": \"2026-09-18T08:22:29.078Z\", \"assignerShortName\": \"synology\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…