CVE-2026-2577

CRITICAL

Nanobot WhatsApp Bridge - Auth Bypass

Title source: llm

Description

The WhatsApp bridge component in Nanobot binds the WebSocket server to all network interfaces (0.0.0.0) on port 3001 by default and does not require authentication for incoming connections. An unauthenticated remote attacker with network access to the bridge can connect to the WebSocket server to hijack the WhatsApp session. This allows the attacker to send messages on behalf of the user, intercept all incoming messages and media in real-time, and capture authentication QR codes.

References (2)

[Release Notes] https://github.com/HKUDS/nanobot/releases/tag/v0.1.3.post7

[Third Party Advisory] https://www.tenable.com/security/research/tra-2026-09

Scores

CVSS v3 10.0

EPSS 0.0007

EPSS Percentile 21.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Classification

CWE

CWE-306

Status draft

Timeline

Published Feb 16, 2026

Tracked Since Feb 18, 2026