---
id: CVE-2026-56330
title: Capgo - Open Redirect via Unvalidated Stripe Billing URLs
summary: >-
  Capgo before 12.128.2 contains an open redirect vulnerability in stripe_portal
  and stripe_checkout endpoints that accept unvalidated callbackUrl, successUrl,
  and cancelUrl parameters. Authenticated attackers can craft malicious billing
  U…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-601
vendor: Capgo
product: Capgo
affected:
  - Capgo < 12.128.2
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-06-23T02:35:30.382923Z'
exploitAvailable: true
published: '2026-06-20'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T14:06:00.777Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-56330'
references:
  - url: 'https://github.com/Cap-go/capgo/security/advisories/GHSA-grc7-98pf-h8hq'
    label: GitHub Security Advisory (GHSA-grc7-98pf-h8hq)
  - url: >-
      https://www.vulncheck.com/advisories/capgo-open-redirect-via-unvalidated-stripe-billing-urls
    label: >-
      VulnCheck Advisory: Capgo - Open Redirect via Unvalidated Stripe Billing
      URLs
tags:
  - cve.org
  - exploit-available
epss: 0.00253
epssPercentile: 0.16864
ingestedAt: '2026-11-08T14:51:22.356Z'
---

## Overview

Capgo before 12.128.2 contains an open redirect vulnerability in stripe_portal and stripe_checkout endpoints that accept unvalidated callbackUrl, successUrl, and cancelUrl parameters. Authenticated attackers can craft malicious billing URLs to redirect users to attacker-controlled domains for phishing and credential harvesting.

## Affected

- `Capgo < 12.128.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.