XML external entity injection in Apache Olingo
Priority LOW 39CWE-611Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.
Summary
The XML content type entity deserializer in Apache Olingo versions 4.0.0 to 4.6.0 is not configured to deny the resolution of external entities. Request with content type "application/xml", which trigger the deserialization of entities, can be used to trigger XXE attacks.
Why it matters now
EPSS 0.12245 96th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed org.apache.olingo:odata-client-core (Maven): 4.7.0org.apache.olingo:odata-server-core (Maven): 4.7.0
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 | Olingo | 4.0.0 to 4.6.0 | — | No fix listed | CNA |
| — | org.apache.olingo:odata-client-core (Maven) | 4.0.0 to before 4.7.0 | 4.7.0 | Patch available | GHSA-mgh8-hcwj-h57v |
| — | org.apache.olingo:odata-server-core (Maven) | 4.0.0 to before 4.7.0 | 4.7.0 | Patch available | GHSA-mgh8-hcwj-h57v |
- Olingo VendorApache Affected 4.0.0 to 4.6.0 Fixed in — No fix listed CNA
- org.apache.olingo:odata-client-core (Maven) Vendor— Affected 4.0.0 to before 4.7.0 Fixed in 4.7.0 Patch available GHSA-mgh8-hcwj-h57v
- org.apache.olingo:odata-server-core (Maven) Vendor— Affected 4.0.0 to before 4.7.0 Fixed in 4.7.0 Patch available GHSA-mgh8-hcwj-h57v
Remediation
- Fix · GHSA-mgh8-hcwj-h57v org.apache.olingo:odata-client-core (Maven) Fixed in 4.7.0 Advisory →
- Fix · GHSA-mgh8-hcwj-h57v org.apache.olingo:odata-server-core (Maven) Fixed in 4.7.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17554
- 2026-10-03 Alias added: GHSA-mgh8-hcwj-h57v
References
Exploit 2
Advisory 2
Other 5
- [announce] 20200131 Apache Software Foundation Security Report: 2019
- https://github.com/apache/olingo-odata4/commit/5948974ad28271818e2afe747c71cde56a7f2c63
- https://github.com/apache/olingo-odata4/commit/c3f982db3d97e395d313ae8f231202bb2139882c
- https://issues.apache.org/jira/browse/OLINGO-1409
- https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c@%3Cannounce.apache.org%3E
More Apache Olingo vulnerabilities
- TI-2019-13099 Deserialization of untrusted data in Apache Olingo CVSS 3.1CRITICAL 9.8
- TI-2020-01849 Server-side request forgery in Apache Olingo CVSS 3.1HIGH 7.5
- TI-2019-13098 Improper input validation in Apache Olingo CVSS 3.1HIGH 7.5
Sources
- CVE-2019-17554 · CVE Program
- CVE-2019-17554 · NVD
- FIRST EPSS
- GHSA-mgh8-hcwj-h57v · GitHub Advisory Database · CC BY 4.0
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