Vulnerability-Lookup

CVE-2026-32287 (GCVE-0-2026-32287)

Vulnerability from cvelistv5 – Published: 2026-03-26 19:40 – Updated: 2026-03-30 14:55

Title

Infinite loop in github.com/antchfx/xpath

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()".

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

References

URL

Tags

	https://github.com/antchfx/xpath/issues/121
	https://github.com/antchfx/xpath/commit/afd4762cc…
	https://github.com/golang/vulndb/issues/4526
	https://pkg.go.dev/vuln/GO-2026-4526

Impacted products

	Vendor	Product	Version
	github.com/antchfx/xpath	github.com/antchfx/xpath	Affected: 0 , < 1.3.6 (semver)

Show details on NVD website

JSON

To clipboard

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    "cna": {
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          "collectionURL": "https://pkg.go.dev",
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            {
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            },
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            },
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              "name": "followingQuery.Evaluate"
            },
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              "name": "followingQuery.Select"
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            },
            {
              "name": "groupQuery.Evaluate"
            },
            {
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            },
            {
              "name": "parentQuery.Evaluate"
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            {
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            },
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              "name": "selfQuery.Evaluate"
            },
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              "name": "selfQuery.Select"
            },
            {
              "name": "transformFunctionQuery.Evaluate"
            },
            {
              "name": "transformFunctionQuery.Select"
            },
            {
              "name": "unionQuery.Evaluate"
            },
            {
              "name": "unionQuery.Select"
            }
          ],
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          "versions": [
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
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      "problemTypes": [
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              "description": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
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    "dateReserved": "2026-03-11T16:38:46.556Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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    "vulnrichment": {
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FKIE_CVE-2026-32287

Vulnerability from fkie_nvd - Published: 2026-03-26 20:16 - Updated: 2026-03-30 15:16

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

	URL	Tags
	security@golang.org	https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494
	security@golang.org	https://github.com/antchfx/xpath/issues/121
	security@golang.org	https://github.com/golang/vulndb/issues/4526
	security@golang.org	https://pkg.go.dev/vuln/GO-2026-4526
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "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": "2026-03-30T15:16:28.290",
  "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"
      }
    ]
  },
  "published": "2026-03-26T20:16:12.403",
  "references": [
    {
      "source": "security@golang.org",
      "url": "https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494"
    },
    {
      "source": "security@golang.org",
      "url": "https://github.com/antchfx/xpath/issues/121"
    },
    {
      "source": "security@golang.org",
      "url": "https://github.com/golang/vulndb/issues/4526"
    },
    {
      "source": "security@golang.org",
      "url": "https://pkg.go.dev/vuln/GO-2026-4526"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select"
    }
  ],
  "sourceIdentifier": "security@golang.org",
  "vulnStatus": "Awaiting Analysis"
}

GHSA-65XW-VW82-R86X

Vulnerability from github – Published: 2026-03-29 15:19 – Updated: 2026-03-30 21:19

Summary

XPath: Boolean expression infinite loop leads to denial of service via CPU exhaustion

Details

Boolean 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()".

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/antchfx/xpath"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32287"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-835"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-29T15:19:45Z",
    "nvd_published_at": "2026-03-26T20:16:12Z",
    "severity": "HIGH"
  },
  "details": "Boolean 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()\".",
  "id": "GHSA-65xw-vw82-r86x",
  "modified": "2026-03-30T21:19:36Z",
  "published": "2026-03-29T15:19:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32287"
    },
    {
      "type": "WEB",
      "url": "https://github.com/antchfx/xpath/issues/121"
    },
    {
      "type": "WEB",
      "url": "https://github.com/golang/vulndb/issues/4526"
    },
    {
      "type": "WEB",
      "url": "https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/antchfx/xpath"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2026-4526"
    },
    {
      "type": "WEB",
      "url": "https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "XPath: Boolean expression infinite loop leads to denial of service via CPU exhaustion"
}

MSRC_CVE-2026-32287

Vulnerability from csaf_microsoft - Published: 2026-03-02 00:00 - Updated: 2026-04-02 14:39

Summary

Infinite loop in github.com/antchfx/xpath

Notes

Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

CVE-2026-32287

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

None Available There is no fix available for this vulnerability as of now

References

URL

Category

	https://msrc.microsoft.com/csaf/vex/2026/msrc_cve…	self
	https://support.microsoft.com/lifecycle	external
	https://www.first.org/cvss	external
	https://msrc.microsoft.com/csaf/vex/2026/msrc_cve…	self

JSON

To clipboard

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-32287 Infinite loop in github.com/antchfx/xpath - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-32287.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Infinite loop in github.com/antchfx/xpath",
    "tracking": {
      "current_release_date": "2026-04-02T14:39:36.000Z",
      "generator": {
        "date": "2026-04-03T07:12:05.030Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-32287",
      "initial_release_date": "2026-03-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-04-02T01:06:27.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-04-02T14:39:36.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "cbl2 telegraf 1.29.4-22",
                "product": {
                  "name": "cbl2 telegraf 1.29.4-22",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version_range",
                "name": "azl3 telegraf 1.31.0-17",
                "product": {
                  "name": "azl3 telegraf 1.31.0-17",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "telegraf"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "cbl2 terraform 1.3.2-30",
                "product": {
                  "name": "cbl2 terraform 1.3.2-30",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "terraform"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 telegraf 1.29.4-22 as a component of CBL Mariner 2.0",
          "product_id": "17086-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 terraform 1.3.2-30 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 telegraf 1.31.0-17 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-32287",
      "notes": [
        {
          "category": "general",
          "text": "Go",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17086-3",
          "17086-1",
          "17084-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-32287 Infinite loop in github.com/antchfx/xpath - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-32287.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-04-02T01:06:27.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-3"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-02T01:06:27.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17086-1"
          ]
        },
        {
          "category": "none_available",
          "date": "2026-04-02T01:06:27.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "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"
          },
          "products": [
            "17086-3",
            "17086-1",
            "17084-2"
          ]
        }
      ],
      "title": "Infinite loop in github.com/antchfx/xpath"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2026-32287 (GCVE-0-2026-32287)

FKIE_CVE-2026-32287

GHSA-65XW-VW82-R86X

MSRC_CVE-2026-32287

Tags

Sightings

Nomenclature