CVE-2026-23795 — MEDIUM (4.9)

Q: How severe is CVE-2026-23795?

CVE-2026-23795 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-23795?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Syncope.

Vulnerability 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.

CVSS Score

4.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Syncope	>= 3.0.0, < 3.0.16

Related Weaknesses (CWE)

CWE-611

References

https://lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2posMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2026/02/02/2Mailing ListThird Party Advisory

FAQ

What is CVE-2026-23795?

CVE-2026-23795 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 constr...

How severe is CVE-2026-23795?

CVE-2026-23795 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23795?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Syncope.