CVE-2026-12811CWE-79CWE-94

kortix-ai suna Auth Endpoint page.tsx router.push cross site scripting

Medium · published June 21, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
41.7
In the wild
Unconfirmed
What it is

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."

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00497 · 41.7th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-06-21T22:00Z
EPSS history
Timeline
  • 21 JUN 22:00Z
    kortix-ai suna Auth Endpoint page.tsx router.push cross site scripting
    cvelistv5