SecuriTricks - 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.

Product(s) Impacted

Vendor	Product	Versions
Apache	Syncope	<3.0-3.0.15, <4.0-4.0.3, 3.0.16, 4.0.4

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-611

Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	apache	syncope	<3.0-3.0.15	/	/	/	/	/	/	/
a	apache	syncope	<4.0-4.0.3	/	/	/	/	/	/	/
a	apache	syncope	3.0.16	/	/	/	/	/	/	/
a	apache	syncope	4.0.4	/	/	/	/	/	/	/

References

https://lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2pos

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

CVSS Score

4.9 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: HIGH
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

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

View Vector String

Timeline

Published: Feb. 3, 2026, 4:16 p.m.
Last Modified: Feb. 3, 2026, 4:44 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-23795