Huginn before 2026.11.05 contains a stored cross-site scripting vulnerability in the servicelabel helper that marks unescaped OAuth service…
CVE-2026-123094
Huginn before 2026.11.05 contains a stored cross-site scripting vulnerability in the servicelabel helper that marks unescaped OAuth service display names as htmlsafe. 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.
Assessment
- CVSS
- 5.1 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 5 November 2026
- Last updated
- 5 November 2026
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
At the source
References
- https://github.com/huginn/huginn/security/advisories/GHSA-rjw9-xx87-f2ww
- https://github.com/huginn/huginn/commit/92229a5e7343bfffc740d31e42b9654b212b678b
- https://github.com/huginn/huginn/blob/v2026.11.01/app/helpers/application_helper.rb#L78-L88
- https://hackmd.io/@leediay/SJtUoLFTfx
- https://github.com/huginn/huginn/releases/tag/v2026.11.05
- https://github.com/huginn/huginn
- https://www.vulncheck.com/advisories/huginn-before-2026.11.05-stored-xss-via-oauth-service-display-name
Community proofs of concept
No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.
Submit a proof of concept
Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-123094