CVE-2026-15637

Analyzed Analyzed - Analysis Complete

Improper Authorization in Devolutions Server SSH Key Disclosure

Publication date: 2026-07-14

Last updated on: 2026-07-30

Assigner: Devolutions Inc.

Description

Improper authorization in the PAM SSH key and certificate retrieval endpoints in Devolutions Server 2026.2.11, 2026.1.22 allows an authenticated low-privileged user to disclose the private key of an SSH key or certificate PAM credential via a direct object reference to the credential identifier.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-14

Last Modified

2026-07-30

Generated

2026-08-04

AI Q&A

2026-07-15

EPSS Evaluated

2026-08-02

NVD

CVE-2026-15637

EUVD

EUVD-2026-44363

Affected Vendors & Products

Vendor	Product	Version / Range
devolutions	devolutions_server	to 2026.1.23.0 (exc)
devolutions	devolutions_server	From 2026.2.0.0 (inc) to 2026.2.12.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper authorization issue in Devolutions Server 2026.2.11 and 2026.1.22. An authenticated low-privileged user can exploit a direct object reference to a credential identifier and disclose the private key of an SSH key or certificate PAM credential.

Impact Analysis

An attacker could steal sensitive private keys or certificates, leading to unauthorized access to systems, data breaches, or further exploitation of compromised credentials. This could affect both personal and organizational security.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating GDPR's data protection principles or HIPAA's safeguards for protected health information. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Upgrade Devolutions Server to version 2026.2.12 or 2026.1.23 or higher to address the improper authorization flaw.

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