CVE-2026-21618

Cross-site scripting (XSS) in OAuth Device Authorization screen

Published: Jan 19, 2026Updated: Jul 24, 2026 Sources: CVE List NVDCWE-79

6.1MEDIUM

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; hex.pm: from 2025-10-01 before 2026-01-19.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

hexpm

oss-projectaka hex.pm, hex

hexpmSaaS

OSS Libraries / generic-library

hex.pmSaaS

OSS Libraries / generic-library

hex

package-ecosystem

hexpmLibrary

OSS Libraries / hex

Exploitability

Official Patch Available

Workaround Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://cna.erlef.org/cves/CVE-2026-21618.html

cna.erlef.org

https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8

github.com

https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj

github.com

and 1 more references View all →

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