« Volver al listado

CVE-2026-78243

Estado: AplazadaBaja (2.1)—

Apache YuniKorn 1.8.0 and later, if configured with the LDAP group resolver, crashes due to an out of bounds read processing group membership entries.If the LDAP server returns a group membership entry, memberOf attribute, for a user specified in the pod the server crashes if a membership record does not start with "CN=".

This only affects install that have the non default LDAP group provider configured.

Users are recommended to upgrade to version 1.10.0, which fixes this issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector CVSS con UI:P (requiere interacción del usuario) e interacción local con entrada LDAP malformada causa crash del servidor YuniKorn, negación de servicio. Afecta configuración LDAP específica.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network TrafficApplication Isolation and SandboxingExploit ProtectionUpdate Software

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Apache — YunikornAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-78243",
  "cveTags": [],
  "metrics": {
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "security@apache.org",
        "cvssData": {
          "Safety": "NEGLIGIBLE",
          "version": "4.0",
          "Recovery": "AUTOMATIC",
          "baseScore": 2.1,
          "Automatable": "NO",
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "valueDensity": "DIFFUSE",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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:N/AU:N/R:A/V:D/RE:H/U:Green",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "GREEN",
          "userInteraction": "PASSIVE",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "HIGH",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache YuniKorn",
          "versions": [
            {
              "status": "affected",
              "version": "1.8.0",
              "lessThan": "1.10.0",
              "versionType": "semver"
            }
          ],
          "packageURL": "pkg:golang/github.com/apache/yunikorn-k8shim",
          "packageName": "github.com/apache/yunikorn-k8shim",
          "collectionURL": "https://golang.org/pkg",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-07T10:17:36.017",
  "references": [
    {
      "url": "https://lists.apache.org/thread.html/yz51lpj6k8q2hz7x2gjdpcrk44hdn25v",
      "source": "security@apache.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/07/24",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-248"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache YuniKorn 1.8.0 and later, if configured with the LDAP group resolver, crashes due to an out of bounds read processing group membership entries.If the LDAP server returns a group membership entry, memberOf attribute, for a user specified in the pod the server crashes if a membership record does not start with \"CN=\".\n\n\n\n\nThis only affects install that have the non default LDAP group provider configured. \n\n\nUsers are recommended to upgrade to version 1.10.0, which fixes this issue."
    }
  ],
  "lastModified": "2026-10-07T13:39:01.890",
  "sourceIdentifier": "security@apache.org"
}