Affects widely used HPE OneView enterprise infrastructure management; session hijack/data theft can disrupt operations and admin control.
CVE-2026-76719
HPE OneView XSS enabling remote session hijacking and data theft
Is CVE-2026-76719 being exploited?
Not confirmed. CVE-2026-76719 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-76719?
CVE-2026-76719 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-76719?
Not known from our data. No patch reference has been recorded for CVE-2026-76719, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-76719 affect?
CVE-2026-76719 affects HPE OneView (infrastructure management appliance/software). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76719?
Restrict access, enable MFA, rotate creds, monitor logs, apply vendor update when available
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Reflected/stored XSS allows remote session hijacking, credential theft, admin takeover and unauthorized actions on OneView.
Immediate action required
- affected< 11.40
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.