CVE-2026-5022 PUBLISHED

Langflow - Missing Authorization on download_image Endpoint

Assigner: tenable
Reserved: 27.03.2026 Published: 27.03.2026 Updated: 27.03.2026

The '/api/v1/files/images/{flow_id}/{file_name}' endpoint does not enforce any authentication or authorization checks, allowing any unauthenticated user to download images belonging to any flow by knowing (or guessing) the flow ID and file name.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	langflow-ai
Product	langflow
Versions	Default: unaffected Version 0 is affected

References

https://www.tenable.com/security/research/tra-2026-23

Problem Types

CWE-862 Missing Authorization CWE