Review reviewHigh

CVE-2026-54810

Nexi Payments Nexi XPay

Missing Authorization vulnerability in Nexi Payments Nexi XPay allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Nexi XPay: from n/a through 8.3.1.

CVSS
7.5
EPSS
0.24%
14.8% percentile
CISA KEV
Not listed
Published
2026.06.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.24%
Technical severityCVSS 7.5

Vulnerability overview

Missing Authorization vulnerability in Nexi Payments Nexi XPay allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Nexi XPay: from n/a through 8.3.1.

Affected product and versions

Product
Nexi Payments Nexi XPay
Affected versions
See the vendor advisory and NVD configuration data
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Nexi Payments Nexi XPay and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-862