CVE-2026-73195: Apache Syncope: CSV export spreadsheet formula injection
Improper Encoding or Escaping of Output vulnerability in Apache Syncope.
Authenticated users can store a spreadsheet formula payload in one of their own plain attributes. When such users are included in a CSV export and the generated CSV file is opened by a spreadsheet application, the formula may be executed.
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apache Syncopeto a version that resolves this vulnerability.Fixed in 4.0.8 / 4.1.3
Event History
Frequently Asked Questions
Who can exploit this issue, and what interaction is required?
An authenticated user must be able to store a spreadsheet-formula payload in one of their own plain attributes. The payload is triggered only when that user is included in a CSV export and someone opens the exported file in a spreadsheet application.
Which Apache Syncope versions are affected?
Affected releases are 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.
What versions fix the issue?
Upgrade to Apache Syncope 4.0.8 or 4.1.3, which fix this issue.