How severe is CVE-2026-15637?

CVE-2026-15637 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-15637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-15637?

CVE-2026-15637 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-15637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-15637 published?

CVE-2026-15637 was published on 2026-07-14 and last updated on 2026-07-30.

CVE-2026-15637

CVE-2026-15637 is a high-severity vulnerability in Devolutions Devolutions Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Devolutions Devolutions Server
Published: 2026-07-14
Last modified: 2026-07-30

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.

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.
How severe is CVE-2026-15637?: CVE-2026-15637 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-15637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-15637?: CVE-2026-15637 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-15637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-15637 published?: CVE-2026-15637 was published on 2026-07-14 and last updated on 2026-07-30.

References

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

Affected products (1)

cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*

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