CVE-2026-101101 ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception
Remote attackers can cause a denial of service via uncaught exceptions in the Middleware component's JSON parsing logic.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-101101?
CVE-2026-101101 is a medium-severity denial of service vulnerability in ag-ui-protocol ag-ui, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.parse of the file legacy/convert.ts of the component Middleware. The manipulation leads to uncaught exception. Remote exploitation of the attack is possible. Upgrading to version 2026-09-08 is capable of addressing this issue. The identifier of the patch is 30f8c794d5b73df5c610153043db502b2cc106cc. Upgrading the affected component is recommended.
Weakness: CWE-248
Which versions are affected by CVE-2026-101101?
How do I fix CVE-2026-101101?
No fix has been published for CVE-2026-101101 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-101101 being exploited?
There is no known exploitation of CVE-2026-101101 in the wild and no public exploit code.
Sources
Also known as GHSA-chh6-2pfh-pc8w.