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."
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 2.1NVD modified 2026-10-25 23:10
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 8
- https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed
- https://github.com/kortix-ai/suna/
- https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c
- https://github.com/kortix-ai/suna/releases/tag/v0.8.39
- https://vuldb.com/cve/CVE-2026-12811
- https://vuldb.com/submit/837175
- https://vuldb.com/vuln/372605
- https://vuldb.com/vuln/372605/cti