CVE-2026-73195

High

Description

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.

SeverityHigh

CVSS7.3

Exploit probability—

ProductApache Syncope

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-116CWE-116

How to fix

Vendor advisories

lists.apache.org/thread/lg1opo92y789v259folgvmg6n28l42cj

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Syncope	3.0.0-M0 ≤ v ≤ 3.0.16, 4.0.0-M0 ≤ v ≤ 4.0.7, 4.1.0-M0 ≤ v ≤ 4.1.2	—

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