CVE-2026-12811
kortix-ai suna Auth Endpoint page.tsx router.push cross site scripting
Description
A weakness has been identified in kortix-ai suna up to 0.8.38. Affected by this issue is the function router.replace/router.push of the file apps/frontend/src/app/auth/page.tsx of the component Auth Endpoint. Executing a manipulation of the argument returnURL can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.8.39 can resolve this issue. This patch is called f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. It is advisable to upgrade the affected component. The researcher explains: "The issue was fixed in v0.8.39 without notifying the wider user base via a security disclosure."
INFO
Published Date :
June 21, 2026, 10 p.m.
Last Modified :
June 21, 2026, 10 p.m.
Remotely Exploit :
No
Source :
VulDB
Affected Products
The following products are affected by CVE-2026-12811
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Upgrade kortix-ai suna to version 0.8.39.
- Update the Auth Endpoint component.
- Apply the patch f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c.
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CVE-2026-12811 vulnerability anywhere in the article.