# CVE-2026-126331: Devolutions Server sensitive information disclosure in user list endpoint

Source: https://junglewise.ai/threats/cve-2026-126331-insertion-of-sensitive-information-into-sent-data-in-the-user  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-11. Updated: 2026-11-11  
License: CC BY 4.0 with a link back

CVE-2026-126331 · Severity: info · Published 2026-11-11

Devolutions Server is a centralized platform for managing remote connections and privileged access. An authenticated user with permission to view other users can extract API key secret hashes through the user list API endpoint, compromising API authentication credentials for other accounts.

Technologies: [Devolutions Server](https://junglewise.ai/threats/technologies/devolutions-server). Vendors: [Devolutions](https://junglewise.ai/threats/vendors/devolutions).

## Quick answers

**Is CVE-2026-126331 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-126331 being exploited in the wild.

**How severe is CVE-2026-126331?** Informational severity, published 11 November 2026.

**Which products and versions are affected?** Devolutions Server 2026.3.13.0 and earlier.

**Is there a fix for CVE-2026-126331?** 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.

**How is CVE-2026-126331 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-126331?** Check whether you run Devolutions Server at an affected version. 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.

## Technical details

The user list API endpoint in Devolutions Server leaks API key secret hashes in its response. An authenticated user with delegated user-viewing permissions can retrieve these hashes, which are sensitive credentials used for API authentication. The vulnerability requires prior authentication and delegated permissions to exploit.

## Affected products

- Devolutions Server 2026.3.13.0 and earlier

## Timeline

- 2026-11-11: disclosed

## References

- [https://devolutions.net/security/advisories/DEVO-2026-0041/](https://devolutions.net/security/advisories/DEVO-2026-0041/)

## Related threats

- [Devolutions Server improper access control in autofill vault search](https://junglewise.ai/threats/cve-2026-126332-improper-access-control-in-the-autofill-vault-search-in)
- [Devolutions Server sensitive information disclosure in user endpoints](https://junglewise.ai/threats/cve-2026-126328-insertion-of-sensitive-information-into-sent-data-in-the-user)
- [Devolutions Server improper access control in connection history](https://junglewise.ai/threats/cve-2026-126327-improper-access-control-in-the-connection-history-in-devolutions)
- [Devolutions Server privilege escalation via role assignment endpoint](https://junglewise.ai/threats/cve-2026-126326-improper-access-control-in-the-administrative-role-assignment)
- [Devolutions Server server-side request forgery in Jira integration](https://junglewise.ai/threats/cve-2026-121580-server-side-request-forgery-in-the-jira-ticketing-filter-lookup)