CVE-2026-23795
Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console.
Does this matter?
Lower severity and a low EPSS score (1.98%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 4.9 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.98% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- apache/syncope
- Source
- security@apache.org
References
- https://lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2posMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/02/02/2Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.