CVE-2026-9198 KEV EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 28.7% (pctl 98)
Patch first
On CISA KEV — known exploited in the wild, due 2026-08-07.
Description
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
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 28.66% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-94 |
| On CISA KEV | yes — remediate by 2026-08-07 |
| Public exploit | yes |
| Published | 2026-07-17 |
| Last modified | 2026-08-17 |
CISA KEV
| Name | IBM Langflow Code Injection Vulnerability |
|---|---|
| Added | 2026-08-04 |
| Due | 2026-08-07 |
| Vendor / product | IBM / Langflow |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| langflow | langflow |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Langflow 1.10.0 - RCE | 2026-09-02 |
References
→ the Explorer · watch your stack · NVD