FKIE_CVE-2026-32287

Vulnerability from fkie_nvd - Published: 2026-03-26 20:16 - Updated: 2026-06-17 10:35
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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()".
References
security@golang.orghttps://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494Patch
security@golang.orghttps://github.com/antchfx/xpath/issues/121Issue Tracking, Third Party Advisory
security@golang.orghttps://github.com/golang/vulndb/issues/4526Issue Tracking, Third Party Advisory
security@golang.orghttps://pkg.go.dev/vuln/GO-2026-4526Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-selectExploit, Third Party Advisory
Impacted products
Vendor Product Version
antchfx xpath *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "github.com/antchfx/xpath",
          "product": "github.com/antchfx/xpath",
          "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"
            }
          ],
          "vendor": "github.com/antchfx/xpath",
          "versions": [
            {
              "lessThan": "1.3.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@golang.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:antchfx:xpath:*:*:*:*:*:go:*:*",
              "matchCriteriaId": "9456C4F2-D4AD-4F6D-9520-00E6C5C4AB18",
              "versionEndExcluding": "1.3.6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 eval\u00faan 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()."
    }
  ],
  "id": "CVE-2026-32287",
  "lastModified": "2026-06-17T10:35:29.830",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-32287",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-30T14:12:30.141178Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-26T20:16:12.403",
  "references": [
    {
      "source": "security@golang.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494"
    },
    {
      "source": "security@golang.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/antchfx/xpath/issues/121"
    },
    {
      "source": "security@golang.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/golang/vulndb/issues/4526"
    },
    {
      "source": "security@golang.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://pkg.go.dev/vuln/GO-2026-4526"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select"
    }
  ],
  "sourceIdentifier": "security@golang.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.