CVE-2026-12811
Full vulnerability record from the local CVENow database.
Description
A weakness has been identified in kortix-ai suna up to 0.8.38. Affected by this issue is the function router.replace/router.push of the file apps/frontend/src/app/auth/page.tsx of the component Auth Endpoint. Executing a manipulation of the argument returnURL can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.8.39 can resolve this issue. This patch is called f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. It is advisable to upgrade the affected component. The researcher explains: "The issue was fixed in v0.8.39 without notifying the wider user base via a security disclosure."
Severity
LOW
CVSS score
2.1
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-06-21 23:16:42.693000
Last modified
2026-10-25 23:10:00.167000
View original CVE JSON
{
"id": "CVE-2026-12811",
"sourceIdentifier": "[email protected]",
"published": "2026-06-21T23:16:42.693",
"lastModified": "2026-10-25T23:10:00.167",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in kortix-ai suna up to 0.8.38. Affected by this issue is the function router.replace/router.push of the file apps/frontend/src/app/auth/page.tsx of the component Auth Endpoint. Executing a manipulation of the argument returnURL can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.8.39 can resolve this issue. This patch is called f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. It is advisable to upgrade the affected component. The researcher explains: \"The issue was fixed in v0.8.39 without notifying the wider user base via a security disclosure.\""
},
{
"lang": "es",
"value": "Se ha identificado una debilidad en kortix-ai suna hasta la versión 0.8.38. Afectada por este problema es la función router.replace/router.push del archivo apps/frontend/src/app/auth/page.tsx del componente Auth Endpoint. La ejecución de una manipulación del argumento returnURL puede conducir a cross site scripting. El ataque puede ser lanzado remotamente. El exploit ha sido puesto a disposición del público y podría ser utilizado para ataques. La actualización a la versión 0.8.39 puede resolver este problema. Este parche se llama f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. Es aconsejable actualizar el componente afectado. El investigador explica: ’El problema se solucionó en la v0.8.39 sin notificar a la base de usuarios más amplia a través de una divulgación de seguridad.’"
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "kortix-ai",
"product": "suna",
"cpes": [
"cpe:2.3:a:kortix-ai:suna:*:*:*:*:*:*:*:*"
],
"modules": [
"Auth Endpoint"
],
"versions": [
{
"version": "0.8.0",
"status": "affected"
},
{
"version": "0.8.1",
"status": "affected"
},
{
"version": "0.8.2",
"status": "affected"
},
{
"version": "0.8.3",
"status": "affected"
},
{
"version": "0.8.4",
"status": "affected"
},
{
"version": "0.8.5",
"status": "affected"
},
{
"version": "0.8.6",
"status": "affected"
},
{
"version": "0.8.7",
"status": "affected"
},
{
"version": "0.8.8",
"status": "affected"
},
{
"version": "0.8.9",
"status": "affected"
},
{
"version": "0.8.10",
"status": "affected"
},
{
"version": "0.8.11",
"status": "affected"
},
{
"version": "0.8.12",
"status": "affected"
},
{
"version": "0.8.13",
"status": "affected"
},
{
"version": "0.8.14",
"status": "affected"
},
{
"version": "0.8.15",
"status": "affected"
},
{
"version": "0.8.16",
"status": "affected"
},
{
"version": "0.8.17",
"status": "affected"
},
{
"version": "0.8.18",
"status": "affected"
},
{
"version": "0.8.19",
"status": "affected"
},
{
"version": "0.8.20",
"status": "affected"
},
{
"version": "0.8.21",
"status": "affected"
},
{
"version": "0.8.22",
"status": "affected"
},
{
"version": "0.8.23",
"status": "affected"
},
{
"version": "0.8.24",
"status": "affected"
},
{
"version": "0.8.25",
"status": "affected"
},
{
"version": "0.8.26",
"status": "affected"
},
{
"version": "0.8.27",
"status": "affected"
},
{
"version": "0.8.28",
"status": "affected"
},
{
"version": "0.8.29",
"status": "affected"
},
{
"version": "0.8.30",
"status": "affected"
},
{
"version": "0.8.31",
"status": "affected"
},
{
"version": "0.8.32",
"status": "affected"
},
{
"version": "0.8.33",
"status": "affected"
},
{
"version": "0.8.34",
"status": "affected"
},
{
"version": "0.8.35",
"status": "affected"
},
{
"version": "0.8.36",
"status": "affected"
},
{
"version": "0.8.37",
"status": "affected"
},
{
"version": "0.8.38",
"status": "affected"
},
{
"version": "0.8.39",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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": 2.1,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"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:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"baseScore": 5.0,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"availabilityImpact": "NONE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-23T13:37:34.514663Z",
"id": "CVE-2026-12811",
"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-79"
},
{
"lang": "en",
"value": "CWE-94"
}
]
}
],
"references": [
{
"url": "https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed",
"source": "[email protected]"
},
{
"url": "https://github.com/kortix-ai/suna/",
"source": "[email protected]"
},
{
"url": "https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c",
"source": "[email protected]"
},
{
"url": "https://github.com/kortix-ai/suna/releases/tag/v0.8.39",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-12811",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/837175",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/372605",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/372605/cti",
"source": "[email protected]"
}
]
}