Vulnerabilities CVE-2026-68981

CVE-2026-68981

High

Open

TLP:CLEAR

Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests

NVD CVE.org

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Description

Apache NiFi 1.5.0 through 2.10.0 support gzip-encoded HTTP requests for the application REST API using a Jersey encoding filter. The framework enforced a configurable maximum request size on the compressed payload rather than the decompressed output, allowing a malicious client to send crafted requests that could consume excessive amounts of memory. Upgrading to Apache NiFi 2.11.0 is the recommended mitigation, which relocates response compression to Jetty Server and disables decompression of gzip-encoded HTTP requests.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 0.52%

41.4th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/S:P/AU:Y/R:U/V:C/RE:M/U:Amber
Confidence: 90%
Published: Aug 3, 2026
Last Modified: Aug 4, 2026

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