CVE-2026-106145

7.1 highEPSS 0.1%

In Progress® Telerik® Report Server prior to version 12.2.26.1007, incorrect privilege assignment in the service-agent SignalR hub allows an authenticated user, including a low-privilege or guest account with a valid bearer token, to register as a trusted service agent. On the next server settings-synchronization event, the rogue agent receives storage settings and encryption private keys. This privilege escalation enables disclosure of protected secrets, including stored data-source credentials and connection strings, and allows agent impersonation and interference with task dispatch.

CVSS 3.1: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)
CWE: CWE-266
Published: 2026-10-09
Modified: 2026-10-09
Record from: the NVD, synced 2026-10-19

References

https://www.telerik.com/report-server/documentation/knowledge-base/kb-security-incorrect-privilege-assignment-cve-2026-106145

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