CVE Explorer
CVE-2026-2878
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"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"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:8d2f08b6269286682a1090104c813c6e20548d05c24a96ebd5c42f3a31b482ac · sha256:e712ae018e8591a7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"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"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:8d2f08b6269286682a1090104c813c6e20548d05c24a96ebd5c42f3a31b482ac · sha256:e712ae018e8591a7… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-331","description":"CWE-331 Insufficient Entropy","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:8d2f08b6269286682a1090104c813c6e20548d05c24a96ebd5c42f3a31b482ac · sha256:e712ae018e8591a7… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory"],"url":"https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-insufficient-entropy-cve-2026-2878"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8d2f08b6269286682a1090104c813c6e20548d05c24a96ebd5c42f3a31b482ac · sha256:e712ae018e8591a7… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.