PT-2026-114129 · Flexprice · Flexprice

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CVE-2026-110765

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Published

2026-10-14

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Updated

2026-10-14

CVSS v3.1

5.9

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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.

Exploit

Fix

Improper Verification of Cryptographic Signature

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Weakness Enumeration

Related Identifiers

CVE-2026-110765

Affected Products

Flexprice