How severe is CVE-2026-23598?

CVE-2026-23598 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-23598 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23598?

CVE-2026-23598 affects Hpe Aruba Networking Private 5g Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23598?

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

Does CVE-2026-23598 have an EU (EUVD) identifier?

Yes. CVE-2026-23598 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7837.

When was CVE-2026-23598 published?

CVE-2026-23598 was published on 2026-02-17 and last updated on 2026-06-17.

CVE-2026-23598

CVE-2026-23598 is a medium-severity vulnerability in Hpe Aruba Networking Private 5g Core with a CVSS 3.x base score of 6.5. 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-209.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7837
Weakness: CWE-209
Affected product: Hpe Aruba Networking Private 5g Core
Published: 2026-02-17
Last modified: 2026-06-17

Description

Vulnerabilities in the API error handling of an HPE Aruba Networking 5G Core server API could allow an unauthenticated remote attacker to obtain sensitive information. Successful exploitation could allow an attacker to access details such as user accounts, roles, and system configuration, as well as to gain insight into internal services and workflows, increasing the risk of unauthorized access and elevated privileges when combined with other vulnerabilities.

Frequently asked questions

What is CVE-2026-23598?: Vulnerabilities in the API error handling of an HPE Aruba Networking 5G Core server API could allow an unauthenticated remote attacker to obtain sensitive information. Successful exploitation could allow an attacker to access details such as user accounts, roles, and system configuration, as well as to gain insight into internal services and workflows, increasing the risk of unauthorized access and elevated privileges when combined with other vulnerabilities.
How severe is CVE-2026-23598?: CVE-2026-23598 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-23598 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23598?: CVE-2026-23598 affects Hpe Aruba Networking Private 5g Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23598?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23598 have an EU (EUVD) identifier?: Yes. CVE-2026-23598 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7837.
When was CVE-2026-23598 published?: CVE-2026-23598 was published on 2026-02-17 and last updated on 2026-06-17.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05002en_us&docLocale=en_US

Affected products (1)

cpe:2.3:a:hpe:aruba_networking_private_5g_core:*:*:*:*:*:*:*:*

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