Vulnerability-Lookup

CVE-2026-66087 (GCVE-0-2026-66087)

Vulnerability from cvelistv5 – Published: 2026-10-08 08:29 – Updated: 2026-10-08 20:21

Title

Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint

Summary

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the * /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop * /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-08 20:21 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

apache mitre root Scorecard

References

2 references

URL	Tags
https://lists.apache.org/thread.html/pghhb42sbyv5…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/10/08/3

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache DolphinScheduler	Affected: 0 , < 3.4.3 (semver)

Credits

Meng Qingwei h1ei1 meifukun yansong Omar Mousa — Red Team & Security Researcher

Show details on NVD website

JSON

To clipboard

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EUVD-2026-384530

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-08 09:24

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

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  "date_reserved": "2026-10-08T09:24:01.142752+00:00",
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FKIE_CVE-2026-66087

Vulnerability from fkie_nvd - Published: 2026-10-08 09:16 - Updated: 2026-10-08 21:18

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/10/08/3

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-8X8J-RJ29-7QPH

Vulnerability from github – Published: 2026-10-08 09:31 – Updated: 2026-10-08 21:33

Details

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the

/dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop
/dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint

This issue affects Apache DolphinScheduler: before 3.4.3.

Users are recommended to upgrade to version 3.4.3, which fixes the issue.

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

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      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-08T09:16:41Z",
    "severity": "HIGH"
  },
  "details": "An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the\u00a0\n\n\n\n\n\n  *  /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop\n  *  /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint\n\n\n\n\n\n\n\n\nThis issue affects Apache DolphinScheduler: before 3.4.3.\n\n\n\nUsers are recommended to upgrade to version 3.4.3, which fixes the issue.",
  "id": "GHSA-8x8j-rj29-7qph",
  "modified": "2026-10-08T21:33:14Z",
  "published": "2026-10-08T09:31:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66087"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/10/08/3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-66087 (GCVE-0-2026-66087)

EUVD-2026-384530

FKIE_CVE-2026-66087

GHSA-8X8J-RJ29-7QPH

Tags

Sightings

Nomenclature

Related by attack behaviour