PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-5022 langflow-ai CVE debrief

CVE-2026-5022 is a medium-severity vulnerability in the Langflow product, allowing unauthenticated users to download images belonging to any flow by knowing or guessing the flow ID and file name. The CVE record was published on 2026-03-27T15:17:04.293Z and was last modified on 2026-10-26T00:10:00.150Z. The NVD entry is currently Analyzed. Defenders responsible for Langflow deployments, especially those with publicly accessible APIs, should assess exposure and potential impact of unauthorized image downloads. This vulnerability has significant implications for the security of Langflow deployments, particularly those exposed to the internet. A thorough review of the CVE record and N

Vendor
langflow-ai
Product
langflow
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-27
Original CVE updated
2026-10-26
Advisory published
2026-03-27
Advisory updated
2026-10-26

Who should care

Defenders responsible for Langflow deployments, especially those with publicly accessible APIs, should assess exposure and potential impact of unauthorized image downloads.

Why it matters

CVE-2026-5022 is a medium-severity vulnerability allowing unauthenticated image downloads in Langflow. Defenders should verify exposure, assess impact, and monitor activity.

  • Verify exposure of Langflow deployments
  • Assess potential impact of unauthorized image downloads
  • Monitor for suspicious image download activity

Technical summary

The '/api/v1/files/images/{flow_id}/{file_name}' endpoint in Langflow does not enforce authentication or authorization checks, allowing unauthenticated users to download images belonging to any flow by knowing or guessing the flow ID and file name. This vulnerability affects Langflow deployments, especially those with publicly accessible APIs. The lack of authentication and authorization checks on this endpoint poses a significant risk to the security of Langflow deployments, as unauthenticated users can potentially download sensitive images. Further verification

Defensive priority

Defenders should prioritize verifying exposure of Langflow deployments, especially those with publicly accessible APIs, and assess the potential impact of unauthorized image downloads.

Recommended defensive actions

  • Verify Langflow deployments for exposure, especially those with publicly accessible APIs
  • Assess potential impact of unauthorized image downloads
  • Monitor for suspicious image download activity

Evidence notes

The CVE description and NVD detail page provide information about the vulnerability, but do not specify versions, exploitation, impact, or remediation. Further verification is required from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5022 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5022

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-5022 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5022

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.