Security Advisory

CVE-2026-70469

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-16 19:38:42

Last updated 2026-09-16 20:12:06

Assigner apache

CVSS score not scored

State PUBLISHED

Description

Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the Content-Encoding header and did not reject non-standard identifiers for gzip encoding, allowing a malicious client to send crafted requests that could consume excessive amounts of memory. Upgrading to Apache NiFi 2.12.0 is the recommended mitigation, which disables decompression of gzip-encoded HTTP requests regardless of header number or encoding identifiers.

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