CVE-2026-19078
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
A flaw was found in the oauth-server component. This open redirect vulnerability occurs when the 'then' parameter in the grant approval handler is not properly validated. A remote attacker can craft a malicious URL that, when approved or denied by an authenticated user, redirects them to an attacker-controlled website, enabling phishing attacks.
Risk Assessment
The organization is exposed to phishing attacks that could lead to disclosure of sensitive information by authenticated users.
Recommendation
Immediately update the oauth-server component to a patched version and implement server-side validation of the 'then' parameter.
Original NVD description (English source)
A flaw was found in the oauth-server component. This open redirect vulnerability occurs when the 'then' parameter in the grant approval handler is not properly validated. A remote attacker can craft a malicious URL that, when approved or denied by an authenticated user, redirects them to an attacker-controlled website. This could enable phishing attacks, potentially tricking users into revealing sensitive information.