Progress Telerik Reporting: Deserialization of untrusted data (CVE-2026-106140)
A deserialization of untrusted data vulnerability in Progress Telerik Reporting versions prior to 20.3.26.1110 allows a local attacker with low privileges to execute arbitrary code in the context of the .NET Framework report designer process.
CVE search metadata
CVE search record: CVE-2026-106140. Severity: high. CVSS: 7.3. KEV: no. Product: Telerik Reporting (< 20.3.26.1110). Brief: Progress Telerik Reporting: Deserialization of untrusted data (CVE-2026-106140). Brief link: https://feed.craftedsignal.io/briefs/2026-11-telerik-deserialization-cve-2026-106140/
Triage facts
Revision 1- Applicability
- Telerik Reporting (< 20.3.26.1110)
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Nov 12, 14:16 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
Progress Telerik Reporting versions prior to 20.3.26.1110 contain a deserialization of untrusted data vulnerability within the .NET Framework report designers. A local attacker with low privileges can exploit this vulnerability to execute arbitrary code in the context of the designer process when a user performs specific editing operations.