How many CVEs have patched writeErrorCodeIfRequestLocationIsInvalid?

1 published CVEs changed writeErrorCodeIfRequestLocationIsInvalid in vaadin/flow, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.

What is the latest CVE that changed writeErrorCodeIfRequestLocationIsInvalid?

CVE-2026-2742 (Unauthorized session creation via reserved framework path access), published 2026-03-10, changed lines 585 to 588 of flow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java.

How does writeErrorCodeIfRequestLocationIsInvalid compare to the rest of vaadin/flow?

vaadin/flow has 16 CVEs with a located fix in total; 1 of them changed writeErrorCodeIfRequestLocationIsInvalid.

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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WriteErrorCodeIfRequestLocationIsInvalid

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Patched Functions
Vaadin
Flow
WriteErrorCodeIfRequestLocationIsInvalid

writeErrorCodeIfRequestLocationIsInvalid in vaadin/flow: Patched by 1 CVEs

vaadin/flow

Function

writeErrorCodeIfRequestLocationIsInvalid

Name: writeErrorCodeIfRequestLocationIsInvalid in vaadin/flow: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

flow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java

Last patched March 10, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

writeErrorCodeIfRequestLocationIsInvalid in vaadin/flow was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 4 lines in total.

vaadin/flow has 16 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

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

Unauthorized session creation via reserved framework path access
CVE-2026-2742 · lines 585–588 · +4 −0
Medium · CVSS 5.3
EPSS 0.5%2026-03-10

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1canHandleRequestflow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java1 CVEs · 3 patches2026
2isFrameworkInternalRequestflow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java1 CVEs · 3 patches2026
3isVaadinStaticFileRequestflow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java1 CVEs · 3 patches2026

Other hotspots in the repository

Functions in vaadin/flow changed by the most CVE fixes.

setErrorParameter2 CVEs · flow-server/src/main/java/com/vaadin/flow/router/RouteNotFoundError.java serveStaticResource2 CVEs · flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java isStaticResourceRequest1 CVEs · flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java getStaticResource1 CVEs · flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java VaadinConnectController1 CVEs · flow-server/src/main/java/com/vaadin/flow/server/connect/VaadinConnectController.java vaadinEndpointMapper1 CVEs · flow-server/src/main/java/com/vaadin/flow/server/connect/VaadinConnectControllerConfiguration.java

All patched functions in vaadin/flow

Frequently asked questions

Common questions about CVE fixes to writeErrorCodeIfRequestLocationIsInvalid.

How many CVEs have patched writeErrorCodeIfRequestLocationIsInvalid?: 1 published CVEs changed writeErrorCodeIfRequestLocationIsInvalid in vaadin/flow, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.
What is the latest CVE that changed writeErrorCodeIfRequestLocationIsInvalid?: CVE-2026-2742 (Unauthorized session creation via reserved framework path access), published 2026-03-10, changed lines 585 to 588 of flow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java.
How does writeErrorCodeIfRequestLocationIsInvalid compare to the rest of vaadin/flow?: vaadin/flow has 16 CVEs with a located fix in total; 1 of them changed writeErrorCodeIfRequestLocationIsInvalid.
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

flow-server/src/main/java/com/vaadin/flow/server/BootstrapHandler.java on GitHub (opens in a new tab)
All patched functions in vaadin/flow
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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References