CVE-2026-75030
Deferred Deferred - Pending Action

Missing Authorization in Apache Syncope Allows Mass Group Member (De)Provisioning

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apache Software Foundation

Description
Missing Authorization vulnerability in Apache Syncope. An administrator with task execution entitlements might be able to mass (de)provision group members, regardless of their group-related administration capabilities. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-15
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-75030
EUVD
EUVD-2026-77460

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apache syncope From 3.0.0-M0 (inc) to 3.0.16 (inc)
apache syncope From 4.0.0-M0 (inc) to 4.0.7 (inc)
apache syncope 4.0.8
apache syncope 4.1.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This is a Missing Authorization vulnerability in Apache Syncope. An administrator with task execution privileges could bypass group-related restrictions and mass (de)provision members, even if they lack specific group administration permissions.

Detection Guidance

This vulnerability involves missing authorization checks in Apache Syncope versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. To detect it, verify your Apache Syncope version using commands like 'curl -s http://your-syncope-server/syncope/rest/about' or check the version in the application logs. If your version falls within the affected range, the system is vulnerable.

Impact Analysis

If exploited, this flaw could allow unauthorized mass changes to user group memberships, potentially leading to incorrect access controls, data exposure, or service disruptions in systems using affected Apache Syncope versions.

Compliance Impact

This vulnerability could violate compliance requirements by enabling unauthorized access or modifications to user data, potentially breaching GDPR data integrity principles or HIPAA access control mandates if exploited.

Mitigation Strategies

Upgrade Apache Syncope to version 4.0.8 or 4.1.3 or later to fix the missing authorization vulnerability affecting task execution entitlements.

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