XML external entity injection in Apache Syncope
Priority LOW 36CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
An administrator with workflow definition entitlements can use DTD to perform malicious operations, including but not limited to file read, file write, and code execution.
Why it matters now
EPSS 0.02477 84th percentileScored 2026-11-07
Fix Fixed org.apache.syncope:syncope-core (Maven): 2.0.11, 2.1.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Syncope | Apache Syncope releases prior to 2.0.11 and 2.1.2 | — | No fix listed | CNA |
| — | org.apache.syncope:syncope-core (Maven) | before 2.0.11 | 2.0.11 | Patch available | GHSA-qfjv-998w-q48f |
| — | org.apache.syncope:syncope-core (Maven) | 2.1.0 to before 2.1.2 | 2.1.2 | Patch available | GHSA-qfjv-998w-q48f |
- Apache Syncope VendorApache Affected Apache Syncope releases prior to 2.0.11 and 2.1.2 Fixed in — No fix listed CNA
- org.apache.syncope:syncope-core (Maven) Vendor— Affected before 2.0.11 Fixed in 2.0.11 Patch available GHSA-qfjv-998w-q48f
- org.apache.syncope:syncope-core (Maven) Vendor— Affected 2.1.0 to before 2.1.2 Fixed in 2.1.2 Patch available GHSA-qfjv-998w-q48f
Remediation
- Fix · GHSA-qfjv-998w-q48f org.apache.syncope:syncope-core (Maven) Fixed in 2.0.11 Advisory →
- Fix · GHSA-qfjv-998w-q48f org.apache.syncope:syncope-core (Maven) Fixed in 2.1.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17186
- 2026-10-03 Alias added: GHSA-qfjv-998w-q48f
References
More Apache Syncope vulnerabilities
- 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
Sources
- CVE-2018-17186 · CVE Program
- CVE-2018-17186 · NVD
- FIRST EPSS
- GHSA-qfjv-998w-q48f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences