---
cve: "CVE-2024-26142"
severity: "HIGH"
cvss: 7.5
epss: "1.5%"
vendor: "rails"
kev: false
exploited: false
published: "2024-02-27 16:15:46"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T03:06:20+02:00"
---

# CVE-2024-26142

> 7.5 HIGH · 🧪 PoC

## Beschreibung

Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272 (Commit)

## Referenzen

- <https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq>
- <https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272>
- <https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946>
- <https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.yml>
- <https://security.netapp.com/advisory/ntap-20240503-0003/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-26142) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_