CVE-2026-110765 — FlexPrice through 2.1.38 QuickBooks Webhook Signature Verification Bypass
FlexPrice through 2.1.38 contains an authentication bypass vulnerability in HandleQuickBooksWebhook that skips signature verification when the intuit-signature header is omitted…
Published: 2026-10-14 · CVSS: 8.2 · CVSS 4.0
FlexPrice through 2.1.38 contains an authentication bypass vulnerability in HandleQuickBooksWebhook that skips signature verification when the intuit-signature header is omitted. Unauthenticated attackers knowing a tenant and environment ID can replay forged payment notifications to repeatedly add payment amounts, marking invoices paid or overpaid.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7