CVE-2026-5022: The '/api/v1/files/images/{flow_id}/{file_name}' endpoint does not enforce any authentication or authorization

Routine

MEDIUM 5.3REMOTEMITIGATE

CVE-2026-5022 is a medium-severity flaw (CVSS 5.3) affecting langflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-03-27
Last modified	2026-10-26

Publisher (CNA): Tenable Network Security, Inc. · Vendor: langflow

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-27 15:17 UTCPublished CVE record published
2026-10-26 00:10 UTCUpdated Record last modified

langflow langflow MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy langflow || rpm -q langflow || langflow --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-5022?

langflow: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-5022 being exploited?

CVE-2026-5022 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-5022 affect?

CVE-2026-5022 affects langflow. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2026-5022?

Priority 26/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-7528 HIGH 7.1 UPGRADE IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled resource consumption.
CVE-2026-55255 HIGH 8.4 EXPLOITED UPGRADE Langflow Authorization Bypass Through User-Controlled Key Vulnerability
CVE-2026-55450 CRITICAL 9.3 UPGRADE Langflow is a tool for building and deploying AI-powered agents and workflows
CVE-2026-10561 CRITICAL 10.0 UPGRADE IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution com
CVE-2026-55447 CRITICAL 9.6 UPGRADE Langflow is a tool for building and deploying AI-powered agents and workflows

References

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