« Volver al listado

CVE-2026-32287

Estado: AnalizadaAlta (7.5)—

Boolean XPath expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CPU usage. This can be triggered by top-level selectors such as "1=1" or "true()".

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.

Vulnerable endpoint exposes XPath query processing without authentication (AV:N/PR:N); Boolean expressions cause infinite loops exhausting CPU (CWE-835), triggering application DoS.

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 TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (1)

Antchfx — Xpath

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-32287",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-32287",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-30T14:12:30.141178Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@golang.org",
      "affectedData": [
        {
          "vendor": "github.com/antchfx/xpath",
          "product": "github.com/antchfx/xpath",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "1.3.6",
              "versionType": "semver"
            }
          ],
          "packageName": "github.com/antchfx/xpath",
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "programRoutines": [
            {
              "name": "logicalQuery.Select"
            },
            {
              "name": "Expr.Evaluate"
            },
            {
              "name": "NodeIterator.MoveNext"
            },
            {
              "name": "ancestorQuery.Evaluate"
            },
            {
              "name": "ancestorQuery.Select"
            },
            {
              "name": "attributeQuery.Evaluate"
            },
            {
              "name": "attributeQuery.Select"
            },
            {
              "name": "booleanQuery.Evaluate"
            },
            {
              "name": "booleanQuery.Select"
            },
            {
              "name": "cachedChildQuery.Evaluate"
            },
            {
              "name": "cachedChildQuery.Select"
            },
            {
              "name": "childQuery.Evaluate"
            },
            {
              "name": "childQuery.Select"
            },
            {
              "name": "descendantOverDescendantQuery.Evaluate"
            },
            {
              "name": "descendantOverDescendantQuery.Select"
            },
            {
              "name": "descendantQuery.Evaluate"
            },
            {
              "name": "descendantQuery.Select"
            },
            {
              "name": "filterQuery.Evaluate"
            },
            {
              "name": "filterQuery.Select"
            },
            {
              "name": "followingQuery.Evaluate"
            },
            {
              "name": "followingQuery.Select"
            },
            {
              "name": "functionQuery.Evaluate"
            },
            {
              "name": "groupQuery.Evaluate"
            },
            {
              "name": "groupQuery.Select"
            },
            {
              "name": "lastFuncQuery.Evaluate"
            },
            {
              "name": "logicalQuery.Evaluate"
            },
            {
              "name": "mergeQuery.Evaluate"
            },
            {
              "name": "mergeQuery.Select"
            },
            {
              "name": "numericQuery.Evaluate"
            },
            {
              "name": "parentQuery.Evaluate"
            },
            {
              "name": "parentQuery.Select"
            },
            {
              "name": "precedingQuery.Evaluate"
            },
            {
              "name": "precedingQuery.Select"
            },
            {
              "name": "selfQuery.Evaluate"
            },
            {
              "name": "selfQuery.Select"
            },
            {
              "name": "transformFunctionQuery.Evaluate"
            },
            {
              "name": "transformFunctionQuery.Select"
            },
            {
              "name": "unionQuery.Evaluate"
            },
            {
              "name": "unionQuery.Select"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-03-26T20:16:12.403",
  "references": [
    {
      "url": "https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494",
      "tags": [
        "Patch"
      ],
      "source": "security@golang.org"
    },
    {
      "url": "https://github.com/antchfx/xpath/issues/121",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "security@golang.org"
    },
    {
      "url": "https://github.com/golang/vulndb/issues/4526",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "security@golang.org"
    },
    {
      "url": "https://pkg.go.dev/vuln/GO-2026-4526",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@golang.org"
    },
    {
      "url": "https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Boolean XPath expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CPU usage. This can be triggered by top-level selectors such as \"1=1\" or \"true()\"."
    },
    {
      "lang": "es",
      "value": "Expresiones booleanas de XPath que se evalúan como verdaderas pueden causar un bucle infinito en logicalQuery.Select, lo que lleva a un uso del 100% de la CPU. Esto puede ser activado por selectores de nivel superior como 1=1 o true()."
    }
  ],
  "lastModified": "2026-06-17T10:35:29.830",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:antchfx:xpath:*:*:*:*:*:go:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9456C4F2-D4AD-4F6D-9520-00E6C5C4AB18",
              "versionEndExcluding": "1.3.6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@golang.org"
}