{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-2878",
        "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
        "state": "PUBLISHED",
        "assignerShortName": "ProgressSoftware",
        "dateReserved": "2026-02-20T16:20:51.770Z",
        "datePublished": "2026-02-25T14:45:11.142Z",
        "dateUpdated": "2026-02-27T17:06:16.616Z"
    },
    "containers": {
        "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® Telerik® 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® Telerik® 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": {
                "orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
                "shortName": "ProgressSoftware",
                "dateUpdated": "2026-02-25T14:45:11.142Z"
            },
            "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"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-02-27T17:06:09.729072Z",
                                "id": "CVE-2026-2878",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-02-27T17:06:16.616Z"
                }
            }
        ]
    }
}