Capgo - Open Redirect via Unvalidated Stripe Billing URLs

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.

Problem type

URL Redirection to Untrusted Site ('Open Redirect')

Affected products

Capgo

Capgo

< 12.128.2 - AFFECTED

12.128.2 - UNAFFECTED

References

GHSA Advisory GHSA-grc7-98pf-h8hq

https://github.com/Cap-go/capgo/security/advisories/GHSA-grc7-98pf-h8hq

vendor-advisory

VulnCheck Advisory: Capgo - Open Redirect via Unvalidated Stripe Billing URLs

https://www.vulncheck.com/advisories/capgo-open-redirect-via-unvalidated-stripe-billing-urls

third-party-advisory

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-56330

Click to expand

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    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-06-20T15:24:48.818Z",
    "dateReserved": "2026-06-20T13:06:29.994Z",
    "datePublished": "2026-06-20T15:24:48.818Z",
    "state": "PUBLISHED"
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      "datePublic": "2026-03-03T00:00:00.000Z",
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          "value": "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."
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