CVE-2026-3562

Description

Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ed25519_sign_open function. The issue results from improper verification of a cryptographic signature. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28480.

PUBLISHED Reserved 2026-03-04 | Published 2026-03-13 | Updated 2026-03-13 | Assigner zdi

Problem types

CWE-347: Improper Verification of Cryptographic Signature

Product status

References

www.zerodayinitiative.com/advisories/ZDI-26-160/ (ZDI-26-160)

cve.org (CVE-2026-3562)

nvd.nist.gov (CVE-2026-3562)

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