> CVE-2026-70469

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PUBLISHED
2026-09-16 20:17
MODIFIED
2026-09-16 20:36
EPSS (Prob. Exploit)
0.62%
Top 51.3%
DATA SOURCES:
NVD 🔗 2026-09-16 CWE MITRE 🔗 2026-10-01 FIRST EPSS 🔗 2026-10-18 OSV 🔗 2026-10-19

> 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> WEAKNESSES

CWE-409

> CWE DETAILED DESCRIPTIONS

CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) - The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Apache NiFi: Improper Handling of Case Sensitivity for Content-Encoding in HTTP Requests

AFFECTED PACKAGES:
Unknown / Unknown
3 versions affected
ALIASES:
BIT-nifi-2026-70469

> HISTORIQUE DES MODIFICATIONS

Première apparition
16/09/2026 20:17
Source: NVD
📊 ENRICHISSEMENT 01/10/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) - The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a lar...
Total des modifications: 1 Dernière mise à jour: 3 weeks ago

> REFERENCES

https://lists.apache.org/thread/mjpv7r4djgn7fdvhnpjwgr2rcto47mx0
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