How many CVEs have patched check_boundary?

1 published CVEs changed check_boundary in langflow-ai/langflow, in 1 distinct patches totalling 33 changed lines, between 2026 and 2026.

What is the latest CVE that changed check_boundary?

CVE-2026-55446 (Langflow: Unauthenticated DoS through multipart form boundary file upload), published 2026-06-23, changed lines 131 to 163 of src/backend/base/langflow/main.py.

How does check_boundary compare to the rest of langflow-ai/langflow?

langflow-ai/langflow has 23 CVEs with a located fix in total; 1 of them changed check_boundary.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Check_boundary

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Patched Functions
Langflow Ai
Langflow
Check_boundary

check_boundary in langflow-ai/langflow: Patched by 1 CVEs

langflow-ai/langflow

Function

check_boundary

Name: check_boundary in langflow-ai/langflow: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/backend/base/langflow/main.py

Last patched June 23, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

check_boundary in langflow-ai/langflow was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 33 lines in total.

langflow-ai/langflow has 23 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed check_boundary, newest first, with the lines each fix touched.

Langflow: Unauthenticated DoS through multipart form boundary file upload
CVE-2026-55446 · lines 131–163 · +33 −0
High · CVSS 7.5
EPSS 0.6%2026-06-23

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Other hotspots in the repository

Functions in langflow-ai/langflow changed by the most CVE fixes.

download_image3 CVEs · src/backend/base/langflow/api/v1/files.py _resolve_kb_path3 CVEs · src/backend/base/langflow/api/v1/knowledge_bases.py create_knowledge_base3 CVEs · src/backend/base/langflow/api/v1/knowledge_bases.py get_flow_by_id_or_endpoint_name3 CVEs · src/backend/base/langflow/helpers/flow.py get_client_ip2 CVEs · src/backend/base/langflow/api/v1/mcp_projects.py validate_command2 CVEs · src/backend/base/langflow/api/v2/schemas.py

All patched functions in langflow-ai/langflow

Frequently asked questions

Common questions about CVE fixes to check_boundary.

How many CVEs have patched check_boundary?: 1 published CVEs changed check_boundary in langflow-ai/langflow, in 1 distinct patches totalling 33 changed lines, between 2026 and 2026.
What is the latest CVE that changed check_boundary?: CVE-2026-55446 (Langflow: Unauthenticated DoS through multipart form boundary file upload), published 2026-06-23, changed lines 131 to 163 of src/backend/base/langflow/main.py.
How does check_boundary compare to the rest of langflow-ai/langflow?: langflow-ai/langflow has 23 CVEs with a located fix in total; 1 of them changed check_boundary.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

src/backend/base/langflow/main.py on GitHub (opens in a new tab)
All patched functions in langflow-ai/langflow
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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Overview
CVEs that patched it
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