CVE-2026-15637: devolutions server — Fix

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0019

Probability of exploitation

0.09%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
devolutions	devolutions_server	2026.1.1 — 2026.1.23.0
devolutions	devolutions_server	2026.2.4.0 — 2026.2.12.0

References

Advisories & Patches

https://devolutions.net/security/advisories/DEVO-2026-0024/

Frequently Asked Questions

What is CVE-2026-15637? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-15637? +

CVE-2026-15637 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0019, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-15637? +

CVE-2026-15637 affects products from devolutions, specifically: devolutions_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-15637? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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