PT-2026-23780 · Philips · Philips Hue Bridge

Published 2026-03-06 · Updated 2026-04-27 · CVE-2026-3562

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Philips Hue Bridge versions (affected versions not specified)

Description A flaw exists in the Philips Hue Bridge’s hk hap component related to Ed25519 signature verification. This issue allows for authentication bypass. The vulnerability was discovered during the Pwn2Own competition by Viettel Cyber Security.

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

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2026-3562

ZDI-26-160

Affected Products

Philips Hue Bridge

References · 5

• https://zerodayinitiative.com/advisories/ZDI-26-160 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-3562 · Security Note
• https://t.me/cveNotify/161100 · Telegram Post
• https://twitter.com/CVEnew/status/2032605858077561067 · Twitter Post
• https://twitter.com/TheZDIBugs/status/2030060474734145997 · Twitter Post