Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hex | Hexpm | >= 2025-10-01, < 2026-01-19 |
Related Weaknesses (CWE)
References
- https://cna.erlef.org/cves/CVE-2026-21618.html
- https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8Patch
- https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpjMitigationVendor Advisory
- https://osv.dev/vulnerability/EEF-CVE-2026-21618
FAQ
What is CVE-2026-21618?
CVE-2026-21618 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 Scr...
How severe is CVE-2026-21618?
CVE-2026-21618 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-21618?
Check the references section above for vendor advisories and patch information. Affected products include: Hex Hexpm.