CVE-2026-123094
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account, but needs a user to act. Limited direct impact.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.1 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-79 · Cross-site scripting
- Record status
- Received
Attack profile CVSS 4.0 · 5.1
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- Low
- User interaction
- Passive
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Raw vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-123094.md and follow it. Check whether this project is affected by CVE-2026-123094. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/huginn/huginn/commit/92229a5e7343bfffc740d31e42b9654b212b678b
- https://github.com/huginn/huginn/releases/tag/v2026.11.05
- https://github.com/huginn/huginn/security/advisories/GHSA-rjw9-xx87-f2ww
References
- https://github.com/huginn/huginn
- https://github.com/huginn/huginn/blob/v2026.11.01/app/helpers/application_helper.rb#L78-L88
- https://github.com/huginn/huginn/commit/92229a5e7343bfffc740d31e42b9654b212b678b
- https://github.com/huginn/huginn/releases/tag/v2026.11.05
- https://github.com/huginn/huginn/security/advisories/GHSA-rjw9-xx87-f2ww
- https://hackmd.io/@leediay/SJtUoLFTfx
- https://www.vulncheck.com/advisories/huginn-before-2026.11.05-stored-xss-via-oauth-service-display-name