# CVE-2025-61166: An open redirect in Ascertia SigningHub User v10.0 allows attackers to redirect users to a malicious site via a crafted URL.

Source: https://junglewise.ai/threats/cve-2025-61166-an-open-redirect-in-ascertia-signinghub-user-v10-0-allows  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-06  
License: CC BY 4.0 with a link back

CVE-2025-61166 · Severity: medium · CVSS 6.1 · Published 2026-04-06

An open redirect in Ascertia SigningHub User v10.0 allows attackers to redirect users to a malicious site via a crafted URL.

Technologies: [Ascertia Signinghub](https://junglewise.ai/threats/technologies/signinghub). Vendors: [Ascertia](https://junglewise.ai/threats/vendors/ascertia).

## Quick answers

**Is CVE-2025-61166 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-61166 being exploited in the wild.

**How severe is CVE-2025-61166?** Medium severity, with a CVSS score of 6.1, published 6 April 2026.

**Which products and versions are affected?** Ascertia Signinghub. The advisory does not name versions.

**Is there a fix for CVE-2025-61166?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-61166?** Check whether you run Ascertia Signinghub. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Ascertia Signinghub

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