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Vulnerability record · CVE-2026-73195 · published 14 September 2026

CVE-2026-73195: Improper Encoding or Escaping of Output vulnerability in Apache Syncope.

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.

7.3 CVSS 3.1 High EPSS 0.37% · top 72.1% CWE-116 · CWE-116 Deferred
7.3CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
14 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

References

LinkTags
https://lists.apache.org/thread/lg1opo92y789v259folgvmg6n28l42cj
http://www.openwall.com/lists/oss-security/2026/09/14/6

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Source: NIST National Vulnerability Database (record CVE-2026-73195), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.