XML external entity injection in Apache NiFi
Priority MEDIUM 49CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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
Apache NiFi External XML Entity issue in SplitXML processor. Malicious XML content could cause information disclosure or remote code execution. The fix to disable external general entity parsing and disallow doctype declarations was applied on the Apache NiFi 1.6.0 release. Users running a prior 1.x release should upgrade to the appropriate release.
Why it matters now
EPSS 0.04436 91st percentileScored 2026-11-07
Fix Fixed org.apache.nifi:nifi-standard-processors (Maven): 1.6.0
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 | Apache NiFi | 0.1.0 - 1.5.0 | — | No fix listed | CNA |
| — | org.apache.nifi:nifi-standard-processors (Maven) | 0.1.0 to before 1.6.0 | 1.6.0 | Patch available | GHSA-42wx-65g4-5cxv |
- Apache NiFi VendorApache Affected 0.1.0 - 1.5.0 Fixed in — No fix listed CNA
- org.apache.nifi:nifi-standard-processors (Maven) Vendor— Affected 0.1.0 to before 1.6.0 Fixed in 1.6.0 Patch available GHSA-42wx-65g4-5cxv
Remediation
- Fix · GHSA-42wx-65g4-5cxv org.apache.nifi:nifi-standard-processors (Maven) Fixed in 1.6.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1309
- 2026-10-03 Alias added: GHSA-42wx-65g4-5cxv
References
More Apache Nifi vulnerabilities
- TI-2023-17293 Apache NiFi: Potential Code Injection with Database Services using H2 CVSS 3.1HIGH 8.8
- TI-2020-16549 Uncontrolled resource consumption in Eclipse Jetty CVSS 3.1MEDIUM 5.3
- TI-2019-07411 Deserialization of untrusted data in Apache Commons Beanutils CVSS 3.1HIGH 7.3
- TI-2017-11471 Improper input validation in Apache NiFi CVSS 3.0CRITICAL 9.8
- TI-2021-03489 Deserialization of untrusted data in jackson-databind CVSS 3.1HIGH 8.1
- TI-2017-03637 Injection in Apache NiFi CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-1309 · CVE Program
- CVE-2018-1309 · NVD
- FIRST EPSS
- GHSA-42wx-65g4-5cxv · GitHub Advisory Database · CC BY 4.0
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