CVE-2026-86535 (GCVE-0-2026-86535)

Vulnerability from cvelistv5 – Published: 2026-10-02 11:38 – Updated: 2026-10-02 11:38
VLAI
Title
Apache Thrift: A JSON member name can stall the Node server's event loop indefinitely
Summary
Loop with unreachable exit condition ('infinite loop'), Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift NodeJS bindings with TJSONProtocol. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-835 - Loop with unreachable exit condition ('infinite loop')
  • CWE-1321 - Improperly controlled modification of object prototype attributes ('prototype pollution')
Assigner
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Thrift Affected: 0 , < 0.25.0 (semver)
guessed Create a notification for this product.
Credits
The ASF -- found using Claude agents to study the security of open-source projects, validated and reported by Apache Thrift.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://registry.npmjs.org",
          "defaultStatus": "unaffected",
          "packageName": "thrift",
          "packageURL": "pkg:npm/thrift",
          "product": "Apache Thrift",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "0.25.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "The ASF -- found using Claude agents to study the security of open-source projects, validated and reported by Apache Thrift."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eLoop with unreachable exit condition (\u0027infinite loop\u0027), Improperly controlled modification of object prototype attributes (\u0027prototype pollution\u0027) vulnerability in Apache Thrift NodeJS bindings with TJSONProtocol.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Thrift: before 0.25.0.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 0.25.0, which fixes the issue.\u003c/p\u003e"
            }
          ],
          "value": "Loop with unreachable exit condition (\u0027infinite loop\u0027), Improperly controlled modification of object prototype attributes (\u0027prototype pollution\u0027) vulnerability in Apache Thrift NodeJS bindings with TJSONProtocol.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "important"
            },
            "type": "Textual description of severity"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-835",
              "description": "CWE-835 Loop with unreachable exit condition (\u0027infinite loop\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-1321",
              "description": "CWE-1321 Improperly controlled modification of object prototype attributes (\u0027prototype pollution\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-02T11:38:16.628Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/94cvvzzl0rh707bn2j4zt844v547508g"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Apache Thrift: A JSON member name can stall the Node server\u0027s event loop indefinitely",
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-86535",
    "datePublished": "2026-10-02T11:38:16.628Z",
    "dateReserved": "2026-09-07T21:54:34.055Z",
    "dateUpdated": "2026-10-02T11:38:16.628Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "collectionURL": "https://registry.npmjs.org",
                "defaultStatus": "unaffected",
                "packageName": "thrift",
                "packageURL": "pkg:npm/thrift",
                "product": "Apache Thrift",
                "vendor": "Apache Software Foundation",
                "versions": [
                  {
                    "lessThan": "0.25.0",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@apache.org"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Loop with unreachable exit condition (\u0027infinite loop\u0027), Improperly controlled modification of object prototype attributes (\u0027prototype pollution\u0027) vulnerability in Apache Thrift NodeJS bindings with TJSONProtocol.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0, which fixes the issue."
          }
        ],
        "id": "CVE-2026-86535",
        "lastModified": "2026-10-02T14:30:28.440",
        "metrics": {
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "security@apache.org",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-10-02T12:17:21.960",
        "references": [
          {
            "source": "security@apache.org",
            "url": "https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1"
          },
          {
            "source": "security@apache.org",
            "url": "https://lists.apache.org/thread/94cvvzzl0rh707bn2j4zt844v547508g"
          }
        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-835"
              },
              {
                "lang": "en",
                "value": "CWE-1321"
              }
            ],
            "source": "security@apache.org",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-10-02T14:39:48+00:00",
      "cve": "CVE-2026-86535",
      "id": "CVE-2026-86535",
      "initial_release_date": "2026-10-02T11:38:16.628000+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "thrift: thrift: Denial of Service via TJSONProtocol in Node.js bindings",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-86535.json",
      "version": "3"
    }
  }
}



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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.