How severe is CVE-2026-73735?

CVE-2026-73735 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-73735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-73735?

CVE-2026-73735 affects Arubanetworks Fabric Composer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-73735?

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

When was CVE-2026-73735 published?

CVE-2026-73735 was published on 2026-09-01 and last updated on 2026-09-03.

CVE-2026-73735

CVE-2026-73735 is a medium-severity vulnerability in Arubanetworks Fabric Composer with a CVSS 3.x base score of 5.4. 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-552.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Arubanetworks Fabric Composer
Published: 2026-09-01
Last modified: 2026-09-03

Description

Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access some information beyond their privilege level. Successful exploitation could allow an attacker to obtain limited information and/or make limited changes beyond what is authorized by the user's existing privilege level.

Frequently asked questions

What is CVE-2026-73735?: Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access some information beyond their privilege level. Successful exploitation could allow an attacker to obtain limited information and/or make limited changes beyond what is authorized by the user's existing privilege level.
How severe is CVE-2026-73735?: CVE-2026-73735 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-73735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-73735?: CVE-2026-73735 affects Arubanetworks Fabric Composer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-73735?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-73735 published?: CVE-2026-73735 was published on 2026-09-01 and last updated on 2026-09-03.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

Affected products (1)

cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*

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