CVE-2026-56330

medium

Description

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.

References

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

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

Details

Source: Mitre, NVD

Published: 2026-06-20

Updated: 2026-06-20

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 3.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Severity: Low

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: Medium