CVE-2026-11956 MEDIUM

CVE-2026-11956: TwiN gatus OIDC Session Cookie oidc.go setSessionCookie missing secure attribute

Vendor Twin
Product gatus
Weakness CWE-614 · Cookie without Secure flag
Published June 11, 2026
Last update June 11, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability was determined in TwiN gatus 5.36.0. Impacted is the function setSessionCookie of the file security/oidc.go of the component OIDC Session Cookie Handler. Executing a manipulation can lead to sensitive cookie without secure attribute. The attack can be launched remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The reported GitHub issue was closed with the label "not planned".

Key dates

02Disclosure timeline

June 11, 2026 CVE published
June 11, 2026 Record updated