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CVE-2026-101098

Status: DeferredMedium (5.3)—

A security vulnerability has been detected in ag-ui-protocol ag-ui up to 2026-09-23. Affected by this issue is the function readAllBytes of the file JdkAgentHttpHandler.java of the component HTTP Handler. Such manipulation leads to resource consumption. The attack can be launched remotely. The pull request to fix this issue awaits acceptance.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

AV:N con PR:L indica explotación remota de servicio (T1210). CWE-400 (resource exhaustion) y descripción de consumo de recursos sugieren DoS por agotamiento (T1499.004).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Vulnerability ScanningThreat Intelligence ProgramPrivileged Account ManagementNetwork SegmentationFilter Network TrafficDisable or Remove Feature or Program

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Ag-ui-protocol — Ag-uiAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-101098",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-101098",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-09-28T17:48:04.263858Z"
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          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
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    "cvssMetricV40": [
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        "cvssData": {
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          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
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          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  },
  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"
          ],
          "vendor": "ag-ui-protocol",
          "modules": [
            "HTTP Handler"
          ],
          "product": "ag-ui",
          "versions": [
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              "version": "2026-09-23"
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      "url": "https://github.com/ag-ui-protocol/ag-ui/",
      "source": "cna@vuldb.com"
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      "url": "https://github.com/ag-ui-protocol/ag-ui/issues/2441",
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      "url": "https://github.com/ag-ui-protocol/ag-ui/pull/2671",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/cve/CVE-2026-101098",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/934960",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/410973",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/410973/cti",
      "source": "cna@vuldb.com"
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  ],
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  "weaknesses": [
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      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
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          "lang": "en",
          "value": "CWE-400"
        },
        {
          "lang": "en",
          "value": "CWE-404"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in ag-ui-protocol ag-ui up to 2026-09-23. Affected by this issue is the function readAllBytes of the file JdkAgentHttpHandler.java of the component HTTP Handler. Such manipulation leads to resource consumption. The attack can be launched remotely. The pull request to fix this issue awaits acceptance."
    }
  ],
  "lastModified": "2026-09-28T21:03:44.987",
  "sourceIdentifier": "cna@vuldb.com"
}