CVE-2026-78318

Medium

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Syncope. The notification message, as optionally shown by Console's and Enduser's login pages can be instructed to display HTML tags with unsafe JS inline, via malicious HTTP link generation. This issue affects Apache Syncope: from 4.0.4 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.

SeverityMedium

CVSS6.1

Exploit probability—

ProductApache Syncope

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Vendor advisories

lists.apache.org/thread/wmo15rczvd0w3ywjgqdrcznkb1v3qy9r

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Syncope	4.0.4 ≤ v ≤ 4.0.7, 4.1.0-M0 ≤ v ≤ 4.1.2	—

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