CVE-2026-21618: Cross-site scripting (XSS) in OAuth Device Authorization screen
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in hexpm hexpm/hexpm ('Elixir.HexpmWeb.SharedAuthorizationView' modules) allows Cross-Site Scripting (XSS). This vulnerability is associated with program files lib/hexpm_web/views/shared_authorization_view.ex and program routines 'Elixir.HexpmWeb.SharedAuthorizationView':render_grouped_scopes/3. This issue affects hexpm: from 617e44c71f1dd9043870205f371d375c5c4d886d before c692438684ead90c3bcbfb9ccf4e63c768c668a8, from pkg:github/hexpm/hexpm@617e44c71f1dd9043870205f371d375c5c4d886d before pkg:github/hexpm/hexpm@c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: from 2025-10-01 before 2026-01-19.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21618?
CVE-2026-21618 has a high severity rating due to its potential for Cross-Site Scripting attacks.
How do I fix CVE-2026-21618?
To fix CVE-2026-21618, update to a version of hexpm that is beyond commit c692438684ead90c3bcbfb9ccf4e63c768c668a8.
Who is affected by CVE-2026-21618?
CVE-2026-21618 affects users running vulnerable versions of hexpm from its initial release up to the commit c692438684ead90c3bcbfb9ccf4e63c768c668a8.
What type of vulnerability is CVE-2026-21618?
CVE-2026-21618 is classified as a Cross-Site Scripting (XSS) vulnerability.
What component of hexpm is impacted by CVE-2026-21618?
CVE-2026-21618 impacts the Elixir.HexpmWeb.SharedAuthorizationView module in the hexpm application.