---
cve: "CVE-2026-65637"
severity: "CRITICAL"
cvss: 9.8
epss: "75%"
vendor: "Apache Software Foundation"
kev: false
exploited: false
published: "2026-08-25 22:17:05"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T08:55:37+02:00"
---

# CVE-2026-65637

> 9.8 CRITICAL

## Beschreibung

Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990.



This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120.



Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 4f33a9eca48c5cbf5963dd213b74866e629154ad (Commit)
- 5da21b1c24a6443bca5c10dc80a69a76042ca337 (Commit)

## Referenzen

- <https://lists.apache.org/thread/djog953z1ohsyt25bdvhfzbmsy22vgcj>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-65637) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_