Vulnerability-Lookup

CVE-2026-35565 (GCVE-0-2026-35565)

Vulnerability from cvelistv5 – Published: 2026-04-13 09:10 – Updated: 2026-04-13 14:10

Title

Apache Storm UI: Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Storm UI

Summary

Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI Versions Affected: before 2.8.6 Description: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus → Thrift → the Visualization API → vis.js tooltip rendering, resulting in stored cross-site scripting. In multi-tenant deployments where topology submission is available to less-trusted users but the UI is accessed by operators or administrators, this enables privilege escalation through script execution in an admin's browser session. Mitigation: 2.x users should upgrade to 2.8.6. Users who cannot upgrade immediately should monkey-patch the parseNode() and parseEdge() functions in the visualization JavaScript file to HTML-escape all API-supplied values including nodeId, :capacity, :latency, :component, :stream, and :grouping before interpolation into tooltip HTML strings, and should additionally restrict topology submission to trusted users via Nimbus ACLs as a defense-in-depth measure. A guide on how to do this is available in the release notes of 2.8.6. Credit: This issue was discovered while investigating another report by K.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-13 14:09 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1078 records in the last 180 days details

References

2 references

URL	Tags
https://storm.apache.org/2026/04/12/storm286-rele…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/04/12/7

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache Storm UI	Affected: 0 , < 2.8.6 (semver)	guessed

Show details on NVD website

JSON

To clipboard

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              "value": "Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI\n\n\nVersions Affected: before 2.8.6\n\n\nDescription: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus \u2192 Thrift \u2192 the Visualization API \u2192 vis.js tooltip rendering, resulting in stored cross-site scripting.\u00a0\n\nIn multi-tenant deployments where topology submission is available to less-trusted users but the UI is accessed by operators or administrators, this enables privilege escalation through script execution in an admin\u0027s browser session.\n\n\nMitigation:\u00a02.x users should upgrade to 2.8.6. Users who cannot upgrade immediately should monkey-patch the parseNode() and parseEdge() functions in the visualization JavaScript file to HTML-escape all API-supplied values including nodeId, :capacity, :latency, :component, :stream, and :grouping\u00a0before interpolation into tooltip HTML strings, and should additionally restrict topology submission to trusted users via Nimbus ACLs as a defense-in-depth measure.\u00a0A guide on how to do this is available in the release notes of 2.8.6.\n\nCredit: This issue was discovered while investigating another report by K."
            }
          ],
          "metrics": [
            {
              "other": {
                "content": {
                  "text": "moderate"
                },
                "type": "Textual description of severity"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-79",
                  "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-13T09:10:17.367Z",
            "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
            "shortName": "apache"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://storm.apache.org/2026/04/12/storm286-released.html"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Apache Storm UI: Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Storm UI",
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "assignerShortName": "apache",
        "cveId": "CVE-2026-35565",
        "datePublished": "2026-04-13T09:10:17.367Z",
        "dateReserved": "2026-04-03T15:14:12.281Z",
        "dateUpdated": "2026-04-13T14:10:07.069Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-35565

Vulnerability from fkie_nvd - Published: 2026-04-13 10:16 - Updated: 2026-10-26 21:10

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Summary

References

	URL	Tags
	security@apache.org	https://storm.apache.org/2026/04/12/storm286-released.html	Release Notes, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/04/12/7	Mailing List, Third Party Advisory

Impacted products

	Vendor	Product	Version
	apache	storm	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2/",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.storm:storm-webapp",
          "product": "Apache Storm UI",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "2.8.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "52FAF08F-1AE5-4EC5-BBA7-393B88FC8AD1",
              "versionEndExcluding": "2.8.6",
              "versionStartIncluding": "2.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI\n\n\nVersions Affected: before 2.8.6\n\n\nDescription: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus \u2192 Thrift \u2192 the Visualization API \u2192 vis.js tooltip rendering, resulting in stored cross-site scripting.\u00a0\n\nIn multi-tenant deployments where topology submission is available to less-trusted users but the UI is accessed by operators or administrators, this enables privilege escalation through script execution in an admin\u0027s browser session.\n\n\nMitigation:\u00a02.x users should upgrade to 2.8.6. Users who cannot upgrade immediately should monkey-patch the parseNode() and parseEdge() functions in the visualization JavaScript file to HTML-escape all API-supplied values including nodeId, :capacity, :latency, :component, :stream, and :grouping\u00a0before interpolation into tooltip HTML strings, and should additionally restrict topology submission to trusted users via Nimbus ACLs as a defense-in-depth measure.\u00a0A guide on how to do this is available in the release notes of 2.8.6.\n\nCredit: This issue was discovered while investigating another report by K."
    },
    {
      "lang": "es",
      "value": "Cross-Site Scripting (XSS) Almacenado a trav\u00e9s de Metadatos de Topolog\u00eda No Saneados en la Interfaz de Usuario de Apache Storm\n\nVersiones afectadas: anteriores a 2.8.6\n\nDescripci\u00f3n: El componente de visualizaci\u00f3n de la interfaz de usuario de Storm interpola metadatos de topolog\u00eda, incluyendo IDs de componentes, nombres de flujos y valores de agrupaci\u00f3n, directamente en HTML a trav\u00e9s de innerHTML en parseNode() y parseEdge() sin saneamiento en ninguna capa. Un usuario autenticado con derechos de env\u00edo de topolog\u00eda podr\u00eda crear una topolog\u00eda que contenga HTML/JavaScript malicioso en identificadores de componentes (por ejemplo, un ID de bolt que contenga un gestor de eventos onerror). Esta carga \u00fatil fluye a trav\u00e9s de Nimbus ? Thrift ? la API de visualizaci\u00f3n ? la renderizaci\u00f3n de tooltips de vis.js, lo que resulta en cross-site scripting almacenado.\n\nEn implementaciones multi-inquilino donde el env\u00edo de topolog\u00edas est\u00e1 disponible para usuarios menos confiables pero la interfaz de usuario es accedida por operadores o administradores, esto permite la escalada de privilegios a trav\u00e9s de la ejecuci\u00f3n de scripts en la sesi\u00f3n del navegador de un administrador.\n\nMitigaci\u00f3n: Los usuarios de 2.x deber\u00edan actualizar a 2.8.6. Los usuarios que no puedan actualizar inmediatamente deber\u00edan aplicar un monkey-patch a las funciones parseNode() y parseEdge() en el archivo JavaScript de visualizaci\u00f3n para escapar en HTML todos los valores proporcionados por la API, incluyendo nodeId, :capacity, :latency, :component, :stream y :grouping, antes de la interpolaci\u00f3n en cadenas HTML de tooltip, y deber\u00edan restringir adicionalmente el env\u00edo de topolog\u00edas a usuarios de confianza a trav\u00e9s de ACL de Nimbus como medida de defensa en profundidad. Una gu\u00eda sobre c\u00f3mo hacer esto est\u00e1 disponible en las notas de la versi\u00f3n 2.8.6.\n\nCr\u00e9dito: Este problema fue descubierto mientras se investigaba otro informe de K."
    }
  ],
  "id": "CVE-2026-35565",
  "lastModified": "2026-10-26T21:10:00.170",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-35565",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-13T14:09:39.740938Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-13T10:16:11.770",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://storm.apache.org/2026/04/12/storm286-released.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/04/12/7"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}

GHSA-F2HP-QW27-8WFQ

Vulnerability from github – Published: 2026-04-13 12:31 – Updated: 2026-04-14 22:50

Summary

Apache Storm UI: Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata

Details

Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI

Versions Affected: before 2.8.6

Description: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus → Thrift → the Visualization API → vis.js tooltip rendering, resulting in stored cross-site scripting.

In multi-tenant deployments where topology submission is available to less-trusted users but the UI is accessed by operators or administrators, this enables privilege escalation through script execution in an admin's browser session.

Mitigation: 2.x users should upgrade to 2.8.6. Users who cannot upgrade immediately should monkey-patch the parseNode() and parseEdge() functions in the visualization JavaScript file to HTML-escape all API-supplied values including nodeId, :capacity, :latency, :component, :stream, and :grouping before interpolation into tooltip HTML strings, and should additionally restrict topology submission to trusted users via Nimbus ACLs as a defense-in-depth measure. A guide on how to do this is available in the release notes of 2.8.6.

Credit: This issue was discovered while investigating another report by K.

Severity

5.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.storm:storm-webapp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-35565"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-14T22:50:39Z",
    "nvd_published_at": "2026-04-13T10:16:11Z",
    "severity": "MODERATE"
  },
  "details": "Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI\n\n\nVersions Affected: before 2.8.6\n\n\nDescription: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus \u2192 Thrift \u2192 the Visualization API \u2192 vis.js tooltip rendering, resulting in stored cross-site scripting.\u00a0\n\nIn multi-tenant deployments where topology submission is available to less-trusted users but the UI is accessed by operators or administrators, this enables privilege escalation through script execution in an admin\u0027s browser session.\n\n\nMitigation:\u00a02.x users should upgrade to 2.8.6. Users who cannot upgrade immediately should monkey-patch the parseNode() and parseEdge() functions in the visualization JavaScript file to HTML-escape all API-supplied values including nodeId, :capacity, :latency, :component, :stream, and :grouping\u00a0before interpolation into tooltip HTML strings, and should additionally restrict topology submission to trusted users via Nimbus ACLs as a defense-in-depth measure.\u00a0A guide on how to do this is available in the release notes of 2.8.6.\n\nCredit: This issue was discovered while investigating another report by K.",
  "id": "GHSA-f2hp-qw27-8wfq",
  "modified": "2026-04-14T22:50:39Z",
  "published": "2026-04-13T12:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35565"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/storm"
    },
    {
      "type": "WEB",
      "url": "https://storm.apache.org/2026/04/12/storm286-released.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/12/7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": " Apache Storm UI: Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata"
}

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

CVE-2026-35565 (GCVE-0-2026-35565)

FKIE_CVE-2026-35565

GHSA-F2HP-QW27-8WFQ

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