CVE-2026-11956 | BDVDB-2026-339698 Detail

TwiNgatus

Description#

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".

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-614 Sensitive Cookie Without Secure Attribute
CWE-1004 Cookie Without 'HttpOnly' Flag

References#

Exploit#

No public exploit known

History#

Version 12026-06-11Record published in the CVE List.

Published

Published: 2026-06-11
Last modified: 2026-06-11

Vendor information

Vendor: TwiN
Product: gatus

All TwiN vulnerabilities

Score

3.7 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
5.36.0
Fixed
Not stated

Scoring System

CVSS v4.0

6.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

3.7 Low

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

3.7 Low

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v2

2.6 Low

AV:N/AC:H/Au:N/C:P/I:N/A:N/E:ND/RL:ND/RC:UR

Metric breakdown
Access Vector	Network
Access Complexity	High
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	None
Availability Impact	None

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).