---
id: CVE-2026-68006
title: >-
  An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute
  arbitrary code via the ext/puma_http11/http11_parser.rl file
summary: >-
  An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute
  arbitrary code via the ext/puma_http11/http11_parser.rl file
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-444
published: '2026-09-10'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T19:17:39.727'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-68006'
references:
  - url: 'https://github.com/czx1111/cve/issues/1'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00373
epssPercentile: 0.3119
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-14T18:14:28.743415Z'
ingestedAt: '2026-09-11T14:42:19.867Z'
---

## Overview

An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the ext/puma_http11/http11_parser.rl file

## Remediation

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