CVE-2026-11956
Full vulnerability record from the local CVENow database.
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".
Severity
MEDIUM
CVSS score
6.3
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-06-11 13:16:32.237000
Last modified
2026-10-26 11:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-11956",
"sourceIdentifier": "[email protected]",
"published": "2026-06-11T13:16:32.237",
"lastModified": "2026-10-26T11:10:00.157",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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\"."
},
{
"lang": "es",
"value": "Se determinó una vulnerabilidad en TwiN gatus 5.36.0. La función afectada es setSessionCookie del archivo security/oidc.go del componente Gestor de Cookies de Sesión OIDC. Ejecutar una manipulación puede llevar a una cookie sensible sin atributo seguro. El ataque puede lanzarse de forma remota. Este ataque se caracteriza por una alta complejidad. La explotabilidad se considera difícil. El problema de GitHub reportado se cerró con la etiqueta not planned."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "TwiN",
"product": "gatus",
"cpes": [
"cpe:2.3:a:twin:gatus:*:*:*:*:*:*:*:*"
],
"modules": [
"OIDC Session Cookie Handler"
],
"versions": [
{
"version": "5.36.0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"baseScore": 3.7,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.2,
"impactScore": 1.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
"baseScore": 2.6,
"accessVector": "NETWORK",
"accessComplexity": "HIGH",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"baseSeverity": "LOW",
"exploitabilityScore": 4.9,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-11T12:52:01.481436Z",
"id": "CVE-2026-11956",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-614"
},
{
"lang": "en",
"value": "CWE-1004"
}
]
}
],
"references": [
{
"url": "https://github.com/TwiN/gatus/",
"source": "[email protected]"
},
{
"url": "https://github.com/TwiN/gatus/issues/1689",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-11956",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/836328",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/370343",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/370343/cti",
"source": "[email protected]"
},
{
"url": "https://github.com/TwiN/gatus/issues/1689",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
},
{
"url": "https://vuldb.com/submit/836328",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}