Exploited Vulnerabilities DailyCVE-2026-55255: Langflow Langflow
EPSS0.8%No. 1683 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV5
Same product5
| Field | Value |
|---|---|
| Vendor | Langflow |
| Product | Langflow |
| Name | Langflow Authorization Bypass Through User-Controlled Key Vulnerability |
| Added to KEV | 2026-07-07 |
| US federal due date | 2026-07-10 |
| Ransomware use | Unknown |
| CWE | CWE-639 |
CISA description
Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2026-0770 | Langflow Langflow | 2026-07-21 | 63.0% | Unknown |
| CVE-2025-34291 | Langflow Langflow | 2026-05-21 | 92.8% | Unknown |
| CVE-2026-33017 | Langflow Langflow | 2026-03-25 | 24.7% | Unknown |
| CVE-2025-3248 | Langflow Langflow | 2025-05-05 | 99.9% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Langflow Langflow vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-07-07.