Vulnerability · Published Feb 3, 2026 · Assigned by apache
CVE-2026-23795Apache Syncope: Console XXE on Keymaster parameters
Medium 4.9
In plain English
A medium-severity XML external entity in Apache Syncope from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.syncope.client.idrepo:syncope-client-idrepo-console | 3.0.16 | GHSA-73f3-rqqf-2j54 |
| Maven | org.apache.syncope.client.idrepo:syncope-client-idrepo-console | 4.0.4 | GHSA-73f3-rqqf-2j54 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Syncope | 3.0 – through 3.0.154.0 – through 4.0.3 |
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N