{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2878",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-27T17:06:09.729072Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-27T17:06:16.616Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Telerik UI for ASP.NET AJAX",
          "vendor": "Progress Software",
          "versions": [
            {
              "lessThan": "2026.1.225",
              "status": "affected",
              "version": "2011.2.712",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Monetary Authority of Singapore"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "In Progress\u00ae Telerik\u00ae UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyncUpload, where a predictable temporary identifier, based on timestamp and filename, can enable collisions and file content tampering."
            }
          ],
          "value": "In Progress\u00ae Telerik\u00ae UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyncUpload, where a predictable temporary identifier, based on timestamp and filename, can enable collisions and file content tampering."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-149",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-149 Explore for Predictable Temporary File Names"
            }
          ]
        },
        {
          "capecId": "CAPEC-26",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-26 Leveraging Race Conditions"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-331",
              "description": "CWE-331 Insufficient Entropy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-25T14:45:11.142Z",
        "orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
        "shortName": "ProgressSoftware"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-insufficient-entropy-cve-2026-2878"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Insufficient Entropy Vulnerability in Telerik UI for ASP.NET AJAX",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
    "assignerShortName": "ProgressSoftware",
    "cveId": "CVE-2026-2878",
    "datePublished": "2026-02-25T14:45:11.142Z",
    "dateReserved": "2026-02-20T16:20:51.770Z",
    "dateUpdated": "2026-02-27T17:06:16.616Z",
    "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-2026-2878\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-27T17:06:09.729072Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-27T17:06:13.052Z\"}}], \"cna\": {\"title\": \"Insufficient Entropy Vulnerability in Telerik UI for ASP.NET AJAX\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Monetary Authority of Singapore\"}], \"impacts\": [{\"capecId\": \"CAPEC-149\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-149 Explore for Predictable Temporary File Names\"}]}, {\"capecId\": \"CAPEC-26\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-26 Leveraging Race Conditions\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Progress Software\", \"product\": \"Telerik UI for ASP.NET AJAX\", \"versions\": [{\"status\": \"affected\", \"version\": \"2011.2.712\", \"lessThan\": \"2026.1.225\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-insufficient-entropy-cve-2026-2878\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In Progress\\u00ae Telerik\\u00ae UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyncUpload, where a predictable temporary identifier, based on timestamp and filename, can enable collisions and file content tampering.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"In Progress\\u00ae Telerik\\u00ae UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyncUpload, where a predictable temporary identifier, based on timestamp and filename, can enable collisions and file content tampering.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-331\", \"description\": \"CWE-331 Insufficient Entropy\"}]}], \"providerMetadata\": {\"orgId\": \"f9fea0b6-671e-4eea-8fde-31911902ae05\", \"shortName\": \"ProgressSoftware\", \"dateUpdated\": \"2026-02-25T14:45:11.142Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-2878\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-27T17:06:16.616Z\", \"dateReserved\": \"2026-02-20T16:20:51.770Z\", \"assignerOrgId\": \"f9fea0b6-671e-4eea-8fde-31911902ae05\", \"datePublished\": \"2026-02-25T14:45:11.142Z\", \"assignerShortName\": \"ProgressSoftware\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}