---
cve: "CVE-2026-9198"
severity: "CRITICAL"
cvss: 9.8
epss: "17.3%"
vendor: "IBM"
kev: true
exploited: true
published: "2026-07-17 18:17:17"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T01:56:25+02:00"
---

# CVE-2026-9198

> 9.8 CRITICAL · ⚠️ CISA KEV (38 Tage) · 🔓 Exploited

## Beschreibung

IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments

## 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)

- 47760d22fb4d639b30d307c3c2738c44eab167e6 (Commit)

## Referenzen

- <https://www.ibm.com/support/pages/node/7278927>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9198>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-9198) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_