Vendor dossier / #47
Langflow vulnerabilities in CISA KEV
Answer CISA's KEV catalog lists 5 Langflow vulnerabilities as of catalog 2026.09.23, 0.3% of all 1,721 entries and rank 47 of 283 vendors. The first was added on 2025-05-05 and the most recent on 2026-07-21; 1 is flagged as used in ransomware campaigns.
- KEV entries
- 50.3% of catalog
- Last 90 days
- +2added
- Ransomware: known
- 120%
- Products
- 1distinct
- First added
- 2025-05-05
- Latest added
- 2026-07-21
- Median days to due
- 14
- Open deadlines
- 0federal
TAdditions per quarter
Table view (by year)
| Year | Added |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
| 2026 | 4 |
QCommon questions
How many Langflow vulnerabilities are in CISA KEV?
5, as of KEV catalog 2026.09.23 (released 2026-09-23). That is 0.3% of the catalog.
Which Langflow product has the most KEV entries?
Langflow, with 5 entries.
How many Langflow KEV vulnerabilities are linked to ransomware?
1 of 5 (20%) are flagged by CISA as known to be used in ransomware campaigns.
When was the latest Langflow vulnerability added to KEV?
2026-07-21 (CVE-2026-0770).
What is the most common weakness in Langflow KEV entries?
CWE-306 (Missing authentication), listed on 2 entries.
PProducts
| Product | Entries | Share of vendor |
|---|---|---|
| Langflow | 5 | 100% |
WWeaknesses
| CWE | Entries | Share of vendor |
|---|---|---|
| CWE-306 Missing authentication | 2 | 40% |
| CWE-829 | 1 | 20% |
| CWE-639 | 1 | 20% |
| CWE-346 | 1 | 20% |
| CWE-94 Code injection | 1 | 20% |
| CWE-95 Eval injection | 1 | 20% |
EAll 5 entries
| CVE | Product | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|---|
| CVE-2026-0770 | Langflow | Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability | Unknown | CWE-829 | ||
| CVE-2026-55255 | Langflow | Langflow Authorization Bypass Through User-Controlled Key Vulnerability | Unknown | CWE-639 | ||
| CVE-2025-34291 | Langflow | Langflow Origin Validation Error Vulnerability | Unknown | CWE-346 | ||
| CVE-2026-33017 | Langflow | Langflow Code Injection Vulnerability | Unknown | CWE-94, CWE-95, CWE-306 | ||
| CVE-2025-3248 | Langflow | Langflow Missing Authentication Vulnerability | Known | CWE-306 |
Cite this
CISA's Known Exploited Vulnerabilities catalog lists 5 Langflow vulnerabilities (0.3% of all entries). Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/vendors/langflow/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23. Vendor names are CISA's vendorProject strings; Telemetry states no facts about Langflow beyond this data.