GHSA-73f3-rqqf-2j54 · Severity: medium · Ecosystem: maven — Apache Syncope: Console XXE on Keymaster parameters
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.
Conclusion & alert: CVE-2026-23795 is rated Low Risk (26.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.07%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-07 | 0.04% | 0.07% | +0.03% |
| 2 | 2026-02-04 | — | 0.04% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 3.1 | MEDIUM |
|
1.2 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-73f3-rqqf-2j54 · Severity: medium · Ecosystem: maven — Apache Syncope: Console XXE on Keymaster parameters
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2pos | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2026/02/02/2 | Mailing List Third Party Advisory |