What is CVE-2026-39562?

CVE-2026-39562 is a medium-severity vulnerability in Boldgrid Client Invoicing By Sprout Invoices, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-04-08.

How severe is CVE-2026-39562?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Boldgrid Client Invoicing By Sprout Invoices

CVE-2026-39562

Missing Authorization vulnerability in BoldGrid Client Invoicing by Sprout Invoices sprout-invoices allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Client Invoicing by Sprout Invoices: from n/a through <= 20.8.10.

Vulnerability class: Broken Access Control

EPSS: 0.002 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Boldgrid Client Invoicing By Sprout Invoices — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-39562?: CVE-2026-39562 is a medium-severity vulnerability in Boldgrid Client Invoicing By Sprout Invoices, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-04-08.
How severe is CVE-2026-39562?: Medium severity. CVSS v3 base score is 5.3 out of 10.