CVE-2026-23795

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.

PUBLISHED Reserved 2026-01-16 | Published 2026-02-03 | Updated 2026-02-03 | Assigner apache

Problem types

CWE-611 Improper Restriction of XML External Entity Reference

Product status

Credits

follycat finder

Y0n3er finder

References

www.openwall.com/lists/oss-security/2026/02/02/2

lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2pos vendor-advisory

cve.org (CVE-2026-23795)

nvd.nist.gov (CVE-2026-23795)

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