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TI-2026-19161 Aliases CVE-2026-23795GHSA-73f3-rqqf-2j54

Apache Syncope: Console XXE on Keymaster parameters

Priority LOW 26CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01969 80th percentileScored 2026-11-07
Fix Fixed org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven): 3.0.16, 4.0.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Syncope3.0 – 3.0.15; 4.0 – 4.0.3—No fix listedCNA
—org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven)3.0.0 to before 3.0.163.0.16Patch availableGHSA-73f3-rqqf-2j54
—org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven)4.0.0 to before 4.0.44.0.4Patch availableGHSA-73f3-rqqf-2j54
  • Apache Syncope VendorApache Affected 3.0 – 3.0.15; 4.0 – 4.0.3 Fixed in — No fix listed CNA
  • org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven) Vendor— Affected 3.0.0 to before 3.0.16 Fixed in 3.0.16 Patch available GHSA-73f3-rqqf-2j54
  • org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven) Vendor— Affected 4.0.0 to before 4.0.4 Fixed in 4.0.4 Patch available GHSA-73f3-rqqf-2j54

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:*3.0.0 to before 3.0.16; 4.0.0 to before 4.0.4VulnerableApache
  • cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.0.16; 4.0.0 to before 4.0.4 Vulnerable ·Apache

Remediation

  • Fix · GHSA-73f3-rqqf-2j54 org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven) Fixed in 3.0.16 Advisory →
  • Fix · GHSA-73f3-rqqf-2j54 org.apache.syncope.client.idrepo:syncope-client-idrepo-console (Maven) Fixed in 4.0.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-23795
  2. 2026-10-03 Alias added: GHSA-73f3-rqqf-2j54

References

Advisory 3

Other 1

  • TI-2025-35632 Apache Syncope: Remote Code Execution by delegated administrators CVSS 3.1HIGH 7.2
  • TI-2026-38503 Apache Syncope: Remote Code Execution via Scripted Connector CVSS 3.1CRITICAL 9.8
  • TI-2026-45025 Apache Syncope: RCE via Groovy Sandbox bypass CVSS 3.1CRITICAL 9.8
  • TI-2026-44406 Apache Syncope: User self-service privilege escalation CVSS 3.1CRITICAL 9.8
  • TI-2026-41245 Apache Syncope: SQL injection vulnerability in Audit Events search CVSS 3.1CRITICAL 9.8
  • TI-2026-38491 Apache Syncope: Remote Code Execution via Flowable BPMN Groovy ScriptTask CVSS 3.1CRITICAL 9.8
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences