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CVE-2026-77181

Apache Syncope: ClientApp update entitlement not effective

Published: Sep 14, 2026Updated: Sep 14, 2026 Sources: CVE List NVDCWE-863
9.8CRITICAL
NVD MITRE
EPSS Score
0.5%
Top 59.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-863

Affected Products

Apache Software Foundation
oss-project·USaka apache foundation
Apache SyncopeOn-prem
Enterprise Software

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://lists.apache.org/thread/swqj31jhbz7hmmkjy42461zp9rhh9lwy
lists.apache.org
http://www.openwall.com/lists/oss-security/2026/09/14/16
openwall.com

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