How severe is CVE-2026-3563?

CVE-2026-3563 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-3563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3563?

CVE-2026-3563 affects Ironmansoftware Powershell Universal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3563?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3563 have an EU (EUVD) identifier?

Yes. CVE-2026-3563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12636.

When was CVE-2026-3563 published?

CVE-2026-3563 was published on 2026-03-17 and last updated on 2026-06-17.

CVE-2026-3563

CVE-2026-3563 is a medium-severity vulnerability in Ironmansoftware Powershell Universal with a CVSS 3.x base score of 5.5. 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-1289.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12636
Weakness: CWE-1289
Affected product: Ironmansoftware Powershell Universal
Published: 2026-03-17
Last modified: 2026-06-17

Description

Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an authenticated user with permissions to create or modify Apps or Endpoints to override existing application or system routes, resulting in unintended request routing and denial of service via a conflicting URL path.

Frequently asked questions

What is CVE-2026-3563?: Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an authenticated user with permissions to create or modify Apps or Endpoints to override existing application or system routes, resulting in unintended request routing and denial of service via a conflicting URL path.
How severe is CVE-2026-3563?: CVE-2026-3563 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-3563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3563?: CVE-2026-3563 affects Ironmansoftware Powershell Universal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3563 have an EU (EUVD) identifier?: Yes. CVE-2026-3563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12636.
When was CVE-2026-3563 published?: CVE-2026-3563 was published on 2026-03-17 and last updated on 2026-06-17.

References

https://devolutions.net/security/advisories/DEVO-2026-0008

Affected products (1)

cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:*

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