CVE-2026-120233
Full vulnerability record from the local CVENow database.
Description
A security flaw has been discovered in ag-ui-protocol ag-ui up to 0.0.58. This affects an unknown function of the file sdks/typescript/packages/client/src/agent/http.ts of the component HttpAgent. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Severity
MEDIUM
CVSS score
5.5
(v4.0)
Vulnerability status
Received
Source identifier
Published
2026-11-01 16:18:14.290000
Last modified
2026-11-01 16:18:14.290000
View original CVE JSON
{
"id": "CVE-2026-120233",
"sourceIdentifier": "[email protected]",
"published": "2026-11-01T16:18:14.290",
"lastModified": "2026-11-01T16:18:14.290",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in ag-ui-protocol ag-ui up to 0.0.58. This affects an unknown function of the file sdks/typescript/packages/client/src/agent/http.ts of the component HttpAgent. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "ag-ui-protocol",
"product": "ag-ui",
"cpes": [
"cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"
],
"modules": [
"HttpAgent"
],
"versions": [
{
"version": "0.0.1",
"status": "affected"
},
{
"version": "0.0.2",
"status": "affected"
},
{
"version": "0.0.3",
"status": "affected"
},
{
"version": "0.0.4",
"status": "affected"
},
{
"version": "0.0.5",
"status": "affected"
},
{
"version": "0.0.6",
"status": "affected"
},
{
"version": "0.0.7",
"status": "affected"
},
{
"version": "0.0.8",
"status": "affected"
},
{
"version": "0.0.9",
"status": "affected"
},
{
"version": "0.0.10",
"status": "affected"
},
{
"version": "0.0.11",
"status": "affected"
},
{
"version": "0.0.12",
"status": "affected"
},
{
"version": "0.0.13",
"status": "affected"
},
{
"version": "0.0.14",
"status": "affected"
},
{
"version": "0.0.15",
"status": "affected"
},
{
"version": "0.0.16",
"status": "affected"
},
{
"version": "0.0.17",
"status": "affected"
},
{
"version": "0.0.18",
"status": "affected"
},
{
"version": "0.0.19",
"status": "affected"
},
{
"version": "0.0.20",
"status": "affected"
},
{
"version": "0.0.21",
"status": "affected"
},
{
"version": "0.0.22",
"status": "affected"
},
{
"version": "0.0.23",
"status": "affected"
},
{
"version": "0.0.24",
"status": "affected"
},
{
"version": "0.0.25",
"status": "affected"
},
{
"version": "0.0.26",
"status": "affected"
},
{
"version": "0.0.27",
"status": "affected"
},
{
"version": "0.0.28",
"status": "affected"
},
{
"version": "0.0.29",
"status": "affected"
},
{
"version": "0.0.30",
"status": "affected"
},
{
"version": "0.0.31",
"status": "affected"
},
{
"version": "0.0.32",
"status": "affected"
},
{
"version": "0.0.33",
"status": "affected"
},
{
"version": "0.0.34",
"status": "affected"
},
{
"version": "0.0.35",
"status": "affected"
},
{
"version": "0.0.36",
"status": "affected"
},
{
"version": "0.0.37",
"status": "affected"
},
{
"version": "0.0.38",
"status": "affected"
},
{
"version": "0.0.39",
"status": "affected"
},
{
"version": "0.0.40",
"status": "affected"
},
{
"version": "0.0.41",
"status": "affected"
},
{
"version": "0.0.42",
"status": "affected"
},
{
"version": "0.0.43",
"status": "affected"
},
{
"version": "0.0.44",
"status": "affected"
},
{
"version": "0.0.45",
"status": "affected"
},
{
"version": "0.0.46",
"status": "affected"
},
{
"version": "0.0.47",
"status": "affected"
},
{
"version": "0.0.48",
"status": "affected"
},
{
"version": "0.0.49",
"status": "affected"
},
{
"version": "0.0.50",
"status": "affected"
},
{
"version": "0.0.51",
"status": "affected"
},
{
"version": "0.0.52",
"status": "affected"
},
{
"version": "0.0.53",
"status": "affected"
},
{
"version": "0.0.54",
"status": "affected"
},
{
"version": "0.0.55",
"status": "affected"
},
{
"version": "0.0.56",
"status": "affected"
},
{
"version": "0.0.57",
"status": "affected"
},
{
"version": "0.0.58",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"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": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"baseScore": 5.0,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-200"
},
{
"lang": "en",
"value": "CWE-284"
}
]
}
],
"references": [
{
"url": "https://github.com/ag-ui-protocol/ag-ui/",
"source": "[email protected]"
},
{
"url": "https://github.com/ag-ui-protocol/ag-ui/issues/2520",
"source": "[email protected]"
},
{
"url": "https://github.com/ag-ui-protocol/ag-ui/pull/2575",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-120233",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/1015143",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/429592",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/429592/cti",
"source": "[email protected]"
}
]
}