{"id":"CVE-2026-56330","aliases":["EUVD-2026-38126","GHSA-cg8c-732h-jg2p","GHSA-grc7-98pf-h8hq"],"status":"published","title":"Capgo - Open Redirect via Unvalidated Stripe Billing URLs","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.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00253,"percentile":0.16881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2026-06-20T15:24:48Z","modified":"2026-11-08T14:06:00Z","products":[{"vendor":"cap-go","product":"capgo"},{"vendor":"capgo","product":"capgo"}],"references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-grc7-98pf-h8hq","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://www.vulncheck.com/advisories/capgo-open-redirect-via-unvalidated-stripe-billing-urls","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56330","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cg8c-732h-jg2p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56330.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-56330","title":"Capgo - Open Redirect via Unvalidated Stripe Billing URLs","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.","status":"published","published":"2026-06-20T15:24:48.818Z","modified":"2026-11-08T14:06:00.777Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-38126","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.","status":"published","published":"2026-06-20T15:24:48Z","modified":"2026-11-08T14:06:00Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-08T15:13:07.762611Z"}],"ghsa":[{"id":"GHSA-cg8c-732h-jg2p","title":"Capgo before 12.128.2 contains an open redirect vulnerability in stripe_portal and...","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.","status":"published","published":"2026-06-20T18:31:29Z","modified":"2026-06-20T18:31:35Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:08:55.672723Z"}],"nvd":[{"id":"CVE-2026-56330","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.","status":"published","published":"2026-06-20T16:17:06.13Z","modified":"2026-06-23T04:17:43.597Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:12:24.912854Z"}],"osv":[{"id":"CVE-2026-56330","title":"Capgo - Open Redirect via Unvalidated Stripe Billing URLs","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.","status":"published","published":"2026-06-20T15:24:48.818Z","modified":"2026-11-09T02:30:59.905090133Z","cvss":[{"version":"4.0","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","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-09T03:16:44.651171Z"}]}}