CVE-2026-23795 | BDVDB-2026-313596 Detail

ApacheApache Syncope

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-611 Improper Restriction of XML External Entity Reference

References#

Exploit#

No public exploit known

History#

Version 12026-02-03Record published in the CVE List.

Published

Published: 2026-02-03
Last modified: 2026-02-03

Vendor information

Vendor: Apache
Product: Apache Syncope

All Apache vulnerabilities

Score

4.9 Medium

EPSS

1.9%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 80.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

XML External Entity

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 3.0 and <= 3.0.15
Fixed
Not stated
Vulnerable
>= 4.0 and <= 4.0.3
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.9 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).