CVE-2026-55995 HIGH

CVE-2026-55995: Double-free in the iSNS attribute decoder in open-iscsi

Vendor Open-Iscsi
Product open-iscsi
Weakness CWE-415
Published July 29, 2026
Last update July 29, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS. This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.

Key dates

02Disclosure timeline

July 29, 2026 CVE published