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CVE-2026-123094Huginn before 2026.11.05 Stored XSS via OAuth Service Display Name
Huginn before 2026.11.05 contains a stored cross-site scripting vulnerability in the service_label helper that marks unescaped OAuth service display names as html_safe. Authenticated attackers can connect an OAuth account with a crafted nickname, name or email and share it globally, executing JavaScript when victims attach it to Agents and view them, exposing Credentials, Agents and Events, and admin actions if the victim is an administrator.
5.1 MEDIUMEPSS 0.17%Not in KEVNVD: Received
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 5.1 | MEDIUM | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| 5.4 | MEDIUM | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Details
- CVE ID
- CVE-2026-123094
- Status
- Received
- Assigner (CNA)
- VulnCheck
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 16:17 UTC
- Weaknesses
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
As published by the CNA in the CVE record.
huginnhuginn1 version range
- before 2026.11.05
References
- github.com https://github.com/huginn/huginn
- github.com https://github.com/huginn/huginn/blob/v2026.11.01/app/helpers/application_helper.rb#L78-L88
- github.com https://github.com/huginn/huginn/commit/92229a5e7343bfffc740d31e42b9654b212b678b
- github.com https://github.com/huginn/huginn/releases/tag/v2026.11.05
- github.com https://github.com/huginn/huginn/security/advisories/GHSA-rjw9-xx87-f2ww
- hackmd.io https://hackmd.io/@leediay/SJtUoLFTfx
- vulncheck.com https://www.vulncheck.com/advisories/huginn-before-2026.11.05-stored-xss-via-oauth-service-display-name