CVE-2026-4387
Unencrypted storage of authentication state in StrongDM Desktop Application state.kv file
Description
StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token and asymmetric key material, in cleartext in a per-user state file located at C:\Users\<username>\.sdm\state.kv. The file is protected only by default user-level NTFS permissions. Exploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host. The condition was reported through coordinated disclosure by Hope Walker (SpecterOps).
INFO
Published Date :
May 29, 2026, 8:16 p.m.
Last Modified :
May 29, 2026, 8:16 p.m.
Remotely Exploit :
No
Source :
ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b
Affected Products
The following products are affected by CVE-2026-4387
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | LOW | ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b | ||||
| CVSS 4.0 | LOW | ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b |
Solution
- Update StrongDM Desktop Application to the latest version.
- Ensure proper file permissions are configured.
- Review application security configurations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4387.
| URL | Resource |
|---|---|
| https://security.strongdm.com/?tcuUid=56fde839-9388-4361-8d3b-9baa7b2de2ed |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4387 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4387
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4387 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4387 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b
May. 29, 2026
Action Type Old Value New Value Added Description StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token and asymmetric key material, in cleartext in a per-user state file located at C:\Users\<username>\.sdm\state.kv. The file is protected only by default user-level NTFS permissions. Exploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host. The condition was reported through coordinated disclosure by Hope Walker (SpecterOps). Added CVSS V4.0 AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-312 Added CWE CWE-522 Added Reference https://security.strongdm.com/?tcuUid=56fde839-9388-4361-8d3b-9baa7b2de2ed