Missing Authorization in DolphinScheduler Task Group APIs

A missing authorization vulnerability exists in the Task Group APIs of Apache DolphinScheduler. The affected APIs do not properly verify whether the authenticated user has permission to access the project associated with the target Task Group. This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

Casky was already ahead

This CVE exploits attack patterns that Casky's 283matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

Apache DolphinScheduler versions before 3.4.3 contain a missing authorization vulnerability (CWE-863) in Task Group APIs that fails to verify user permissions for project access. An authenticated attacker can exploit this flaw to access Task Groups they should not have permission to view or modify, potentially leading to unauthorized data exposure, task manipulation, or lateral movement within scheduling infrastructure. This vulnerability affects any organization running vulnerable versions of DolphinScheduler, particularly those using it for critical workflow orchestration in data pipeline or ETL environments.

Casky's 283 mapped security skills leverage Claude's extended reasoning to detect the authorization bypass patterns underlying this vulnerability across TA0004 (Privilege Escalation) and TA0006 (Credential Access) techniques. Practitioners using Casky would identify suspicious patterns including: API calls to Task Group endpoints with mismatched user-to-project permissions, inconsistent authorization decision logs, and access attempts to resources outside the user's assigned scope. The platform's skill mapping helps security teams recognize that this vulnerability enables both horizontal privilege escalation (accessing peer projects) and potential credential harvesting through unauthorized configuration access, allowing practitioners to prioritize remediation and implement compensating controls like API gateway authorization policies until patching is possible.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

283 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-57590.

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

Access with Stolen Session Cookie

identity access management · low

Run

MITRE ATT&CK Techniques

TA0004 TA0006

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