FKIE_CVE-2026-4645

Vulnerability from fkie_nvd - Published: 2026-03-23 14:16 - Updated: 2026-03-23 14:31
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A flaw was found in the `github.com/antchfx/xpath` component. A remote attacker could exploit this vulnerability by submitting crafted Boolean XPath expressions that evaluate to true. This can cause an infinite loop in the `logicalQuery.Select` function, leading to 100% CPU utilization and a Denial of Service (DoS) condition for the affected system.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-4645
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2450214
secalert@redhat.comhttps://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494
secalert@redhat.comhttps://github.com/antchfx/xpath/issues/121
secalert@redhat.comhttps://github.com/golang/vulndb/issues/4526
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the `github.com/antchfx/xpath` component. A remote attacker could exploit this vulnerability by submitting crafted Boolean XPath expressions that evaluate to true. This can cause an infinite loop in the `logicalQuery.Select` function, leading to 100% CPU utilization and a Denial of Service (DoS) condition for the affected system."
    }
  ],
  "id": "CVE-2026-4645",
  "lastModified": "2026-03-23T14:31:37.267",
  "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": "secalert@redhat.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-03-23T14:16:36.063",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4645"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450214"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/antchfx/xpath/issues/121"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/golang/vulndb/issues/4526"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    }
  ]
}


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