Is this vulnerability remotely exploitable?

Yes. Any party with network access to the Langflow API can attempt to exploit this endpoint, even without valid credentials, as long as they can obtain or guess valid `flow_id` and `file_name` values.

What level of access does an attacker need?

The attacker only needs unauthenticated HTTP access to the `/api/v1/files/images/{flow_id}/{file_name}` endpoint. No user account, API key, or prior session is required, though practical exploitation usually depends on being able to discover identifiers via other API responses, logs, or guesswork.

What is the safest general fix pattern for this issue?

Require authentication for all file-serving endpoints and enforce object-level authorization that ensures the authenticated user or tenant actually owns or has access rights to the flow associated with the requested image. This should be implemented in a central, reusable access control layer rather than per-endpoint ad hoc checks.

Severity:

HIGH RISK

(7.5)

Missing Access Control on Image Download Endpoint (CWE-284) in Langflow Multi-Tenant Deployments

CVE-2026-33484

Published:

Mar 24, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Broken Access Control

CWE:

CWE-284;CWE-639;CWE-862

Impact:

Unauthorized Access to Sensitive Data

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Broken Access Control

CWE:

CWE-284;CWE-639;CWE-862

Impact:

Unauthorized Access to Sensitive Data

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Missing Access Control on Image Download Endpoint (CWE-284) in Langflow Multi-Tenant Deployments

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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