# CVE-2026-106152: External Control of Configuration Setting in Telerik Report Server

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

In Progress® Telerik® Report Server prior to version 12.3.26.1110, an external control of a system configuration setting vulnerability allows an unauthenticated remote attacker to influence the server address used by Report Server when generating links and notifications. With user interaction, this can lead to disclosure of sensitive information and account takeover.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Progress Software / Telerik Report Server: ≥ 0; < 12.3.26.1110 (affected, custom). Source: CNA: ProgressSoftware

## Severity and prioritization

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: CNA: ProgressSoftware

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-15

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.telerik.com/report-server/documentation/knowledge-base/kb-security-external-control-of-system-or-configuration-setting-cve-2026-106152 (CNA: ProgressSoftware; vendor-advisory)

## Provenance

- CNA: ProgressSoftware: https://www.cve.org/CVERecord?id=CVE-2026-106152; retrieved 2026-11-11; source updated 2026-11-11

Revision: d1dd44fa9879194e3621c96bafbd65efefe9fdf0e5a66b715e9086d4567d80ee

Canonical: https://y2.dev/cve/CVE-2026-106152

## Agent and API access

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- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.