Improper Output Encoding in Apache Syncope Allows Formula Execution
CVE-2026-73195

7.3HIGH

Key Information:

Vendor

Apache
Status
Apache Syncope
Vendor
CVE Published:
14 September 2026

What is CVE-2026-73195?

An improperly encoded output vulnerability in Apache Syncope allows authenticated users to store spreadsheet formula payloads in their attributes. When these users are included in a CSV export and the resulting file is opened in a spreadsheet application, the formulas may execute, potentially leading to unauthorized actions. It is highly recommended that users upgrade to versions 4.0.8 or 4.1.3 to mitigate this risk.

Affected Version(s)

Apache Syncope 3.0.0-M0 <= 3.0.16

Apache Syncope 4.0.0-M0 <= 4.0.7

Apache Syncope 4.1.0-M0 <= 4.1.2

References

https://lists.apache.org/thread/lg1opo92y789v259folgvmg6n...
vendor-advisory

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

meifukun
.