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CVE-2026-77181: CWE-863 Incorrect Authorization in Apache Software Foundation Apache Syncope

0
Critical
VulnerabilityCVE-2026-77181cvecve-2026-77181cwe-863gcveosvghsa-xggf-jv35-5g43ghsa
Published: 09/14/2026 (09/14/2026, 15:32:43 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Syncope

Description

Incorrect Authorization vulnerability in Apache Syncope. An administrator with ClientApp's update entitlement is unable to perform the related operation, while ClientApp's create entitlement is checked both for create and update operations on ClientApp. 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.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Apache Software Foundation

Apache Syncope

Affected versions
>=3.0.0-M0 <=3.0.16>=4.0.0-M0 <=4.0.7>=4.1.0-M0 <=4.1.2
Mavenmore threats →cve
Apache Software Foundation/org.apache.syncope.core.am:syncope-core-am-logic
pkg:maven/Apache Software Foundation/org.apache.syncope.core.am:syncope-core-am-logic
Affected versions
>=3.0.0-M0 <=3.0.16>=4.0.0-M0 <=4.0.7>=4.1.0-M0 <=4.1.2

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/14/2026, 13:16:51 UTC

Technical Analysis

CVE-2026-77181 is an incorrect authorization vulnerability (CWE-863) in Apache Syncope. The flaw causes the system to check the ClientApp's create entitlement for both create and update operations, preventing administrators with only the update entitlement from performing update operations. This misauthorization affects multiple version ranges of Apache Syncope and is resolved by upgrading to versions 4.0.8 or 4.1.3.

Potential Impact

Administrators with the correct update entitlement are unable to perform update operations on ClientApp due to improper entitlement checks, potentially disrupting administrative workflows and access control management within Apache Syncope.

Mitigation Recommendations

Users should upgrade Apache Syncope to version 4.0.8 or 4.1.3, where this authorization issue has been fixed. No other mitigation is indicated.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-08-20T15:38:20.114Z
State
PUBLISHED

Threat ID: 6aa7f05355bf5e2cf516c15a

Added to database: 09/14/2026, 13:02:11 UTC

Last enriched: 09/14/2026, 13:16:51 UTC

Last updated: 09/15/2026, 05:13:21 UTC

Views: 16

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