CVE-2026-92214 a2ui-project a2ui a2a-chat-canvas sanitizer-markdown-renderer-service.ts cross site scripting
Remote attackers can execute arbitrary scripts via cross-site scripting in the a2a-chat-canvas markdown renderer service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-92214?
CVE-2026-92214 is a medium-severity cross-site scripting vulnerability in a2ui-project a2ui, published on 16 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A flaw has been found in a2ui-project a2ui up to 0.10.7. Affected is an unknown function of the file samples/community/client/angular/projects/a2a-chat-canvas/src/lib/services/sanitizer-markdown-renderer-service.ts of the component a2a-chat-canvas. Executing a manipulation can lead to cross site scripting. The attack may be performed from remote.
Which versions are affected by CVE-2026-92214?
How do I fix CVE-2026-92214?
No fix has been published for CVE-2026-92214 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-92214 being exploited?
There is no known exploitation of CVE-2026-92214 in the wild and no public exploit code.
Sources
Also known as GHSA-fppw-pj6p-xrwh.