[ CVE-2026-102248 · Published 29 Sep 2026 ]

Vulnerability in Rebuild

CVSS 7.3 EPSS <1%No fix listed yet

[ Why it matters ]Priority signals

  • Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

A vulnerability was identified in Rebuild up to 4.4.7/4.5.0-beta5. This affects an unknown part of the file /user/login of the component Login Endpoint. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.