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CVE-2026-103877

Estado: AplazadaSin puntuar—

Deserialization of Untrusted Data vulnerability in Apache Directory LDAP API.

A rogue/compromised LDAP server (or pre-TLS MITM) can answer a client's loadSchema() subschema search with a schema object that contains a serialized Java class, allowing some potential RCE.

This issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9.

Users are recommended to upgrade to version 2.1.9, which fixes the issue.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

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).

Tecnologías afectadas (1)

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

Apache — Directory Ldap APIAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-103877",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Directory LDAP API",
          "versions": [
            {
              "status": "affected",
              "version": "2.1.0",
              "lessThan": "2.1.9",
              "versionType": "semver"
            }
          ],
          "packageURL": "pkg:maven/org.apache.directory.api/api-ldap-schema-data",
          "packageName": "org.apache.directory.api:api-ldap-schema-data",
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-02T10:17:06.437",
  "references": [
    {
      "url": "https://lists.apache.org/thread.html/sys8l881blqfgoc3o724jl32bmjl8pvw",
      "source": "security@apache.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/02/5",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Deserialization of Untrusted Data vulnerability in Apache Directory LDAP API.\n\n\n\nA rogue/compromised LDAP server (or pre-TLS MITM) can answer a client's loadSchema() subschema search with a schema object that contains a serialized Java class, allowing some potential RCE. \n\n\n\nThis issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9.\n\n\n\nUsers are recommended to upgrade to version 2.1.9, which fixes the issue."
    }
  ],
  "lastModified": "2026-10-02T22:16:53.577",
  "sourceIdentifier": "security@apache.org"
}