How many CVEs have patched flat?

1 published CVEs changed flat in honojs/hono, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.

What is the latest CVE that changed flat?

CVE-2026-93981 (hono/jsx before 4.13.7 Cross-Site Scripting via Unescaped Strings), published 2026-09-19, changed lines 16 of src/jsx/components.ts.

How does flat compare to the rest of honojs/hono?

honojs/hono has 39 CVEs with a located fix in total; 1 of them changed flat.

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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honojs/hono

Function

flat

Name: flat in honojs/hono: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/jsx/components.ts

Last patched September 19, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

4

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

flat in honojs/hono was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 4 lines in total.

honojs/hono has 39 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

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

hono/jsx before 4.13.7 Cross-Site Scripting via Unescaped Strings
CVE-2026-93981 · line 16 · +1 −3
Low · CVSS 2.3
EPSS 0.2%2026-09-19

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Other hotspots in the repository

Functions in honojs/hono changed by the most CVE fixes.

convertIPv4MappedIPv6ToIPv4

2 CVEs · src/middleware/ip-restriction/index.ts

renderChildren1 CVEs · src/jsx/context.ts

raw1 CVEs · src/jsx/base.ts

renderChildren1 CVEs · src/jsx/streaming.ts

convertFormDataToBodyData1 CVEs · src/utils/body.ts

slice1 CVEs · src/utils/url.ts

All patched functions in honojs/hono

Frequently asked questions

Common questions about CVE fixes to flat.

How many CVEs have patched flat?: 1 published CVEs changed flat in honojs/hono, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.
What is the latest CVE that changed flat?: CVE-2026-93981 (hono/jsx before 4.13.7 Cross-Site Scripting via Unescaped Strings), published 2026-09-19, changed lines 16 of src/jsx/components.ts.
How does flat compare to the rest of honojs/hono?: honojs/hono has 39 CVEs with a located fix in total; 1 of them changed flat.
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

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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