CVE-2026-73246 (GCVE-0-2026-73246)

Vulnerability from cvelistv5 – Published: 2026-08-11 21:45 – Updated: 2026-08-11 21:45
VLAI
Title
Kestra: Unauthenticated management `/worker` endpoint exposes live task configuration and plaintext credentials
Summary
Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0-rc6, Kestra's worker/src/main/java/io/kestra/worker/endpoint/WorkerEndpoint.java serves GET /worker without authentication and serializes the complete live Task object, which can expose commands, environment variables, HTTP headers, connection details, plaintext credentials, and execution identifiers while the main API on port 8080 remains protected. This issue is fixed in 2.0.0-rc6.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
kestra-io kestra Affected: < 1.3.31
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
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          "vendor": "kestra-io",
          "versions": [
            {
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              "version": "\u003c 1.3.31"
            }
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      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306: Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-11T21:45:40.450Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/kestra-io/kestra/security/advisories/GHSA-m65f-q5gj-hg46",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-m65f-q5gj-hg46"
        }
      ],
      "source": {
        "advisory": "GHSA-m65f-q5gj-hg46",
        "discovery": "UNKNOWN"
      },
      "title": "Kestra: Unauthenticated management `/worker` endpoint exposes live task configuration and plaintext credentials"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-73246",
    "datePublished": "2026-08-11T21:45:40.450Z",
    "dateReserved": "2026-08-11T17:18:01.597Z",
    "dateUpdated": "2026-08-11T21:45:40.450Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-73246",
      "date": "2026-08-12",
      "epss": "0.00347",
      "percentile": "0.27611"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-73246\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-08-11T22:19:05.287\",\"lastModified\":\"2026-08-11T22:19:05.287\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0-rc6, Kestra\u0027s worker/src/main/java/io/kestra/worker/endpoint/WorkerEndpoint.java serves GET /worker without authentication and serializes the complete live Task object, which can expose commands, environment variables, HTTP headers, connection details, plaintext credentials, and execution identifiers while the main API on port 8080 remains protected. This issue is fixed in 2.0.0-rc6.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"kestra-io\",\"product\":\"kestra\",\"versions\":[{\"version\":\"\u003c 1.3.31\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"},{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"references\":[{\"url\":\"https://github.com/kestra-io/kestra/security/advisories/GHSA-m65f-q5gj-hg46\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}



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