How severe is CVE-2026-23819?

CVE-2026-23819 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-23819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-23819?

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-2026-23819 have an EU (EUVD) identifier?

Yes. CVE-2026-23819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29734.

When was CVE-2026-23819 published?

CVE-2026-23819 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-23819

CVE-2026-23819 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29734
Weakness: CWE-79
Published: 2026-05-12
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Access Points running AOS-10 and AOS-8 Instant could allow an unauthenticated remote attacker to execute arbitrary JavaScript code in a victim's browser within the same local network. Successful exploitation could allow an attacker to compromise user data and potentially manipulate device configuration settings.

Frequently asked questions

What is CVE-2026-23819?: A vulnerability in the web-based management interface of Access Points running AOS-10 and AOS-8 Instant could allow an unauthenticated remote attacker to execute arbitrary JavaScript code in a victim's browser within the same local network. Successful exploitation could allow an attacker to compromise user data and potentially manipulate device configuration settings.
How severe is CVE-2026-23819?: CVE-2026-23819 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-23819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-23819?: 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-2026-23819 have an EU (EUVD) identifier?: Yes. CVE-2026-23819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29734.
When was CVE-2026-23819 published?: CVE-2026-23819 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US

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