CVE-2026-21618

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-21618
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.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://cna.erlef.org/cves/CVE-2026-21618.html
https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8 Patch
https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj Mitigation Vendor Advisory
https://osv.dev/vulnerability/EEF-CVE-2026-21618
Configurations

Configuration 1 (hide)

cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:*
History

06 Apr 2026, 17:17

Type Values Removed Values Added
References
  • () https://cna.erlef.org/cves/CVE-2026-21618.html -
  • () https://osv.dev/vulnerability/EEF-CVE-2026-21618 -

25 Mar 2026, 14:27

Type Values Removed Values Added
References () https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8 - () https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8 - Patch
References () https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj - () https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj - Mitigation, Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.1
First Time Hex
Hex hexpm
CPE cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:*
Summary
  • (es) Neutralización Inadecuada de la Entrada Durante la Generación de Páginas Web (XSS o 'cross-site scripting') vulnerabilidad en hexpm hexpm/hexpm (módulos 'Elixir.HexpmWeb.SharedAuthorizationView') permite cross-site scripting (XSS). Esta vulnerabilidad está asociada con los archivos de programa lib/hexpm_web/views/shared_authorization_view.ex y las rutinas de programa 'Elixir.HexpmWeb.SharedAuthorizationView':render_grouped_scopes/3. Este problema afecta a hexpm: desde 617e44c71f1dd9043870205f371d375c5c4d886d antes de c692438684ead90c3bcbfb9ccf4e63c768c668a8, desde pkg:github/hexpm/hexpm@617e44c71f1dd9043870205f371d375c5c4d886d antes de pkg:github/hexpm/hexpm@c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: desde 2025-10-01 antes de 2026-01-19.

19 Jan 2026, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-19 15:15

Updated : 2026-04-06 17:17

NVD link : CVE-2026-21618

Mitre link : CVE-2026-21618

CVE.ORG link : CVE-2026-21618

JSON object : View

Products Affected

hex

  • hexpm
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')