How severe is CVE-2026-23826?

CVE-2026-23826 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 none, integrity none, and availability high.

Is CVE-2026-23826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23826?

CVE-2026-23826 primarily affects Arubanetworks Sd-wan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-23826?

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.

Does CVE-2026-23826 have an EU (EUVD) identifier?

Yes. CVE-2026-23826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29752.

When was CVE-2026-23826 published?

CVE-2026-23826 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-23826

CVE-2026-23826 is a high-severity vulnerability in Arubanetworks Sd-wan 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29752
Weakness: CWE-770
Affected product: Arubanetworks Sd-wan
Published: 2026-05-12
Last modified: 2026-06-17

Description

A vulnerability in a network management service of AOS-8 Operating System could allow an unauthenticated remote attacker to exploit this vulnerability by sending specially crafted network packets to the affected device, potentially resulting in a denial-of-service condition. Successful exploitation could cause the affected service process to terminate unexpectedly, disrupting normal device operations.

Frequently asked questions

What is CVE-2026-23826?: A vulnerability in a network management service of AOS-8 Operating System could allow an unauthenticated remote attacker to exploit this vulnerability by sending specially crafted network packets to the affected device, potentially resulting in a denial-of-service condition. Successful exploitation could cause the affected service process to terminate unexpectedly, disrupting normal device operations.
How severe is CVE-2026-23826?: CVE-2026-23826 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 none, integrity none, and availability high.
Is CVE-2026-23826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23826?: CVE-2026-23826 primarily affects Arubanetworks Sd-wan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-23826?: 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.
Does CVE-2026-23826 have an EU (EUVD) identifier?: Yes. CVE-2026-23826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29752.
When was CVE-2026-23826 published?: CVE-2026-23826 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05048en_us&docLocale=en_US

Affected products (2)

cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*
cpe:2.3:a:arubanetworks:sd-wan:*:*:*:*:*:*:*:*

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