tocsin

CVE-2026-55450

2 advisories.

PyPI/langflow CVE-2026-55450: critical 9.3, EPSS 1.19%

Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak

Action: Upgrade langflow to 1.9.1 or later.

pip install langflow==1.9.1

Affected

introducedfixedlast affected
01.9.1-

Fixed versions

1.9.1

Sources

CVE-2026-55450 · published · modified · JSON

PyPI/langflow CVE-2026-55450: critical 9.3, EPSS 1.19%

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, unauthenticated users can upload any amount of data to the server without any limitations. No need for an

Action: Upgrade langflow to 1.9.1 or later.

pip install langflow==1.9.1

Affected

introducedfixedlast affected
01.9.1-

Fixed versions

1.9.1

Sources

CVE-2026-55450 · published · modified · JSON