How severe is CVE-2026-55447?

CVE-2026-55447 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-55447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-55447?

CVE-2026-55447 affects Langflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-55447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-55447 have an EU (EUVD) identifier?

Yes. CVE-2026-55447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38513.

When was CVE-2026-55447 published?

CVE-2026-55447 was published on 2026-06-23 and last updated on 2026-06-24.

CVE-2026-55447

CVE-2026-55447 is a critical-severity vulnerability in Langflow with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-61.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38513
Weakness: CWE-61
Affected product: Langflow
Published: 2026-06-23
Last modified: 2026-06-24

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, by controlling a files that are digested into the RAG, an attacker can direct the node to read any file on the file-system by absolute path. All components based on BaseFileComponent are vulnerable to the vulnerability. This includes Docling (DoclingInlineComponent), Docling Serve, DoclingRemoteComponent), Read File (FileComponent), NVIDIA Retriever Extraction (NvidiaIngestComponent), Video File (VideoFileComponent), and Unstructured API (UnstructuredComponent). This vulnerability is fixed in 1.9.2.

Frequently asked questions

What is CVE-2026-55447?: Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, by controlling a files that are digested into the RAG, an attacker can direct the node to read any file on the file-system by absolute path. All components based on BaseFileComponent are vulnerable to the vulnerability. This includes Docling (DoclingInlineComponent), Docling Serve, DoclingRemoteComponent), Read File (FileComponent), NVIDIA Retriever Extraction (NvidiaIngestComponent), Video File (VideoFileComponent), and Unstructured API (UnstructuredComponent). This vulnerability is fixed in 1.9.2.
How severe is CVE-2026-55447?: CVE-2026-55447 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-55447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-55447?: CVE-2026-55447 affects Langflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-55447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-55447 have an EU (EUVD) identifier?: Yes. CVE-2026-55447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38513.
When was CVE-2026-55447 published?: CVE-2026-55447 was published on 2026-06-23 and last updated on 2026-06-24.

References

Affected products (1)

cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*

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