CVE-2026-23795

MEDIUM

Apache Syncope <3.0.15/<4.0.3 - XML External Entity Reference

Title source: llm
STIX 2.1

Description

Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.

Scores

CVSS v3 4.9
EPSS 0.0010
EPSS Percentile 27.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-611
Status published
Products (2)
apache/syncope 3.0.0 - 3.0.16
org.apache.syncope.client.idrepo/syncope-client-idrepo-console 3.0.0 - 3.0.16Maven
Published Feb 03, 2026
Tracked Since Feb 18, 2026