CVE-2026-56330
LOWCapgo - Open Redirect via Unvalidated Stripe Billing URLs
Title source: cnaDescription
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 (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GHSA Advisory GHSA-grc7-98pf-h8hq
https://github.com/Cap-go/capgo/security/advisories/GHSA-grc7-98pf-h8hq
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Open Redirect via Unvalidated Stripe Billing URLs
https://www.vulncheck.com/advisories/capgo-open-redirect-via-unvalidated-stripe-billing-urls
Scores
CVSS v3
3.5
EPSS
0.0025
EPSS Percentile
16.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-601
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 20, 2026
Tracked Since
Jun 20, 2026