Skip to content
Heist/ feed
High

FlexPrice through 2.1.38 QuickBooks Webhook Signature Verification Bypass

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-110765

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-110765

flexprice

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/flexprice/flexprice",
    "vendor": "flexprice",
    "product": "flexprice",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "2.1.38"
      }
    ],
    "collectionURL": "https://github.com/flexprice/flexprice",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-110765

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#22990 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement