---
id: CVE-2026-76646
title: >-
  A remote attacker could cause excessive resource consumption by supplying
  specially crafted request parameters, potentially resulting in a denial of
  service condition.



  Older unsupported versions may also be affected.


  Users are recomme…
summary: >-
  A remote attacker could cause excessive resource consumption by supplying
  specially crafted request parameters, potentially resulting in a denial of
  service condition.



  Older unsupported versions may also be affected.


  Users are recomme…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
vendor: Apache Software Foundation
product: Apache MyFaces
affected:
  - apache_myfaces >= 2.2.0-beta <= 2.2.15
  - apache_myfaces 2.3.0
  - apache_myfaces >= 2.3-next-M1 <= 2.3-next-M8
  - apache_myfaces >= 2.3.1 <= 2.3.11
  - apache_myfaces >= 3.0.0 <= 3.0.3
  - apache_myfaces >= 4.0.0 <= 4.0.3
  - apache_myfaces >= 4.1.0 <= 4.1.3
published: '2026-09-16'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T20:18:15.307'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-76646'
references:
  - url: 'https://lists.apache.org/thread/q8zxrdhbmmx8ofgr9s7ymnqo8l2x8oy9'
    label: security@apache.org
  - url: 'http://www.openwall.com/lists/oss-security/2026/09/16/12'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-17T19:13:43.042483Z'
ingestedAt: '2026-09-16T20:03:30.768Z'
epss: 0.00506
epssPercentile: 0.42224
---

## Overview

A remote attacker could cause excessive resource consumption by supplying specially crafted request parameters, potentially resulting in a denial of service condition.


Older unsupported versions may also be affected.

Users are recommended to upgrade to versions 2.3.12, 2.3-next-M9, 3.0.4, 4.0.4, or 4.1.4, which fix this issue.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.