CVE-2022-24858

NextAuth.js default redirect callback vulnerable to open redirects

// async redirect(url, baseUrl) { // v3
async redirect({ url, baseUrl }) { // v4
    // Allows relative callback URLs
    if (url.startsWith("/")) return new URL(url, baseUrl).toString()
    // Allows callback URLs on the same origin
    else if (new URL(url).origin === baseUrl) return url
    return baseUrl
}

Untrusted input controls a URL used for redirection, which can forward users to attacker-controlled sites. Typical impact: phishing and credential harvesting via a trusted domain.

CVE-2022-24858 has a CVSS score of 6.1 (Medium). The vector is network-reachable, no privileges required, and user interaction required. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (3.29.2, 4.3.2); upgrading removes the vulnerable code path.

Kodem intelligence

Already deployed Kodem?

1. What is CVE-2022-24858? CVE-2022-24858 is a medium-severity open redirect vulnerability in next-auth (npm), affecting versions < 3.29.2. It is fixed in 3.29.2, 4.3.2. Untrusted input controls a URL used for redirection, which can forward users to attacker-controlled sites.
2. How severe is CVE-2022-24858? CVE-2022-24858 has a CVSS score of 6.1 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
3. Which versions of next-auth are affected by CVE-2022-24858? next-auth (npm) versions < 3.29.2 is affected.
4. Is there a fix for CVE-2022-24858? Yes. CVE-2022-24858 is fixed in 3.29.2, 4.3.2. Upgrade to this version or later.
5. Is CVE-2022-24858 exploitable, and should I be worried? Whether CVE-2022-24858 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
6. What actually determines whether CVE-2022-24858 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
7. How do I fix CVE-2022-24858?
   • Upgrade next-auth to 3.29.2 or later
   • Upgrade next-auth to 4.3.2 or later

Other vulnerabilities in next-auth