Read the docs
TI-2018-12293 Aliases CVE-2018-17194GHSA-43fp-vwwg-qgv6

Improper input validation in Apache NiFi

Priority LOW 38CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE requests and overwrite non-zero Content-Length header values was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

Why it matters now

EPSS 0.0297 87th percentileScored 2026-11-07
Fix Fixed org.apache.nifi:nifi-framework-cluster (Maven): 1.8.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache NiFiApache NiFi 1.0.0 - 1.7.1—No fix listedCNA
—org.apache.nifi:nifi-framework-cluster (Maven)1.0.0 to before 1.8.01.8.0Patch availableGHSA-43fp-vwwg-qgv6
  • Apache NiFi VendorApache Affected Apache NiFi 1.0.0 - 1.7.1 Fixed in — No fix listed CNA
  • org.apache.nifi:nifi-framework-cluster (Maven) Vendor— Affected 1.0.0 to before 1.8.0 Fixed in 1.8.0 Patch available GHSA-43fp-vwwg-qgv6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*1.0.0 – 1.7.1VulnerableApache
  • cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:* Versions 1.0.0 – 1.7.1 Vulnerable ·Apache

Remediation

  • Fix · GHSA-43fp-vwwg-qgv6 org.apache.nifi:nifi-framework-cluster (Maven) Fixed in 1.8.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17194
  2. 2026-10-03 Alias added: GHSA-43fp-vwwg-qgv6

References

Advisory 2

Other 4

  • 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-2018-01212 XML external entity injection in Apache NiFi CVSS 3.0CRITICAL 9.8
  • TI-2021-03489 Deserialization of untrusted data in jackson-databind CVSS 3.1HIGH 8.1
See all 58 →

Sources

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