CVE-2026-54238: realtime < 2.103.1

CVE-2026-54238. CVSS 3.1 base score 3.1 (LOW, Vendor/CNA).

Affected technology

realtime · < 2.103.1
supabase

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

This could allow an unauthenticated attacker can broadcast realtime messages to subscribers. Vendor/CNA’s CVSS 3.1 assessment (base score 3.1/10) rates confidentiality and availability impact as none; integrity impact as low.

Published 22-Oct-2026 20:55 UTC

CWE: CWE-613
CCR priority: 12.4 /100 (P5)
CVSS 3.1: 3.1 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-22 20:50:20.011821+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-54238.html