CVE-2026-56332

Capgo - Open Redirect via confirmation_url Parameter

CVSS 5.1 MEDIUMEPSS 0.2%CWE-601

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.1EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

20 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Capgo before 12.128.2 contains an open redirect vulnerability in the confirm-signup endpoint that allows attackers to redirect users to arbitrary external websites. The confirmation_url parameter is not validated, enabling attackers to craft malicious links for phishing and credential harvesting attacks.

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

Affected products

Capgo · Capgo

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References

https://github.com/Cap-go/capgo/security/advisories/GHSA-24q8-ghqq-m8cj https://www.vulncheck.com/advisories/capgo-open-redirect-via-confirmation-url-parameter