PT-2026-8330 · Meta +1 · Whatsapp +1

Re-Binin · Published 2026-02-16 · Updated 2026-02-17 · CVE-2026-2577

Positive Technologies · (AI Summary)

CVSS v3.1

10

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Nanobot (affected versions not specified)

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. The vulnerable component uses a WebSocket server accessible via the ''3001'' port.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-2577

Affected Products

Nanobot

Whatsapp

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-2577 · Security Note
• https://github.com/HKUDS/nanobot/releases/tag/v0.1.3.post7 · Note
• https://twitter.com/TweetThreatNews/status/2023568098192679240 · Twitter Post
• https://t.me/CVEtracker/44808 · Telegram Post
• https://twitter.com/CVEnew/status/2023353809380966651 · Twitter Post
• https://tenable.com/security/research/tra-2026-09 · Note
• https://twitter.com/VulmonFeeds/status/2023347174000431119 · Twitter Post
• https://twitter.com/TheHackerWire/status/2023531924829204569 · Twitter Post
• https://twitter.com/CCBalert/status/2023788829287580107 · Twitter Post