Bump hono from 4.12.12 to 4.12.21

[dependabot]

Bumps hono from 4.12.12 to 4.12.21.

Release notes

Sourced from hono's releases.

v4.12.21

Security fixes

This release includes fixes for the following security issues:

app.mount() strips mount prefix using undecoded path, causing incorrect routing for percent-encoded paths

Affects: app.mount(). Fixes prefix stripping using the raw URL pathname instead of the decoded path, where percent-encoded characters in the mount prefix or path could cause the prefix to be removed at the wrong position, resulting in the sub-application receiving an incorrect path. GHSA-2gcr-mfcq-wcc3

IP Restriction bypasses static deny rules for non-canonical IPv6

Affects: hono/ip-restriction. Fixes IP address comparison using string equality, where non-canonical IPv6 representations of a denied address — such as compressed forms or hex-notation IPv4-mapped addresses — could bypass static deny rules. GHSA-xrhx-7g5j-rcj5

Cookie helper does not sanitize sameSite and priority, allowing Set-Cookie injection

Affects: hono/cookie. Fixes missing validation of sameSite and priority options against injection characters (;, \r, \n), where user-controlled input passed to either option could inject additional attributes into the Set-Cookie response header. GHSA-3hrh-pfw6-9m5x

JWT middleware accepts any Authorization scheme, not only Bearer

Affects: hono/jwt, hono/jwk. Fixes missing scheme validation in the Authorization header, where any two-part header value was accepted regardless of the scheme name, allowing non-Bearer schemes to pass JWT authentication. GHSA-f577-qrjj-4474

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Users who use app.mount(), hono/ip-restriction, hono/cookie, or hono/jwt/hono/jwk are encouraged to upgrade to this version.

v4.12.20

What's Changed

• fix(route): preserve the base path of the mounted route() app by @​usualoma in honojs/hono#4942
• fix(jsx): widen jsx and jsxFn children to Child[] by @​ashunar0 in honojs/hono#4947

New Contributors

• @​ashunar0 made their first contribution in honojs/hono#4947

Full Changelog: honojs/hono@v4.12.19...v4.12.20

v4.12.19

What's Changed

• ci: pin GitHub Actions to SHAs by @​yusukebe in honojs/hono#4932
• fix(serveStatic): make options parameter optional in all adapters by @​mixelburg in honojs/hono#4934
• fix(cookie): return the first cookie when there are multiple cookies with the same name by @​usualoma in honojs/hono#4922
• feat(bearer-auth): make bearerAuth generic for typed context in verifyToken by @​justinnais in honojs/hono#4913
• feat(cache): key cache entries by configured vary headers by @​usualoma in honojs/hono#4915
• feat(request): add bytes() by @​yusukebe in honojs/hono#4921
• fix(stream): upgrade @hono/node-server to v2 and fix abort handling by @​yusukebe in honojs/hono#4940

New Contributors

• @​justinnais made their first contribution in honojs/hono#4913

Full Changelog: honojs/hono@v4.12.18...v4.12.19

... (truncated)

Commits

• a83ddb8 4.12.21
• 6cbb025 Merge commit from fork
• c831020 Merge commit from fork
• 905aedb Merge commit from fork
• 5463db2 Merge commit from fork
• c657a39 4.12.20
• eb2d0c2 fix(jsx): widen jsx and jsxFn children to Child[] (#4947)
• dcabbec fix(route): preserve the base path of the mounted route() app (#4942)
• 7e62bcd 4.12.19
• e2f252a fix(stream): upgrade @hono/node-server to v2 and fix abort handling (#4940)
• Additional commits viewable in compare view

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[greptile-apps]

Greptile Summary

This PR bumps hono from 4.12.12 to 4.12.21, a patch-level update that includes four security fixes and several bug fixes across intermediate releases.

• Security fixes in 4.12.21: patches app.mount() prefix-stripping with percent-encoded paths (GHSA-2gcr-mfcq-wcc3), non-canonical IPv6 bypass in hono/ip-restriction (GHSA-xrhx-7g5j-rcj5), Set-Cookie header injection via unsanitized sameSite/priority in hono/cookie (GHSA-3hrh-pfw6-9m5x), and JWT middleware accepting non-Bearer schemes (GHSA-f577-qrjj-4474).
• Other changes: fixes to route base-path preservation (4.12.20), serveStatic optional params, duplicate-cookie handling, stream abort handling, and new bearerAuth generic typing (4.12.13–4.12.19).

Confidence Score: 5/5

Safe to merge — this is a straightforward patch bump that delivers security hardening with no breaking changes expected.

The change touches only the hono version in package.json and the corresponding lock file. All intermediate releases are patch-level with no API removals, and the security advisories fixed here directly benefit the project's use of hono middleware.

No files require special attention.

Important Files Changed

Filename	Overview
package.json	Bumps hono dependency from ^4.12.12 to ^4.12.21, picking up 4 security fixes and several bug fixes.
pnpm-lock.yaml	Lock file updated to resolve hono to 4.12.21 and align @hono/zod-validator peer dependency.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[hono 4.12.12] -->|bump| B[hono 4.12.21]
    B --> C[GHSA-2gcr-mfcq-wcc3\napp.mount percent-encode fix]
    B --> D[GHSA-xrhx-7g5j-rcj5\nIPv6 restriction bypass fix]
    B --> E[GHSA-3hrh-pfw6-9m5x\nSet-Cookie injection fix]
    B --> F[GHSA-f577-qrjj-4474\nJWT Bearer scheme fix]
    B --> G[Bug fixes\n4.12.13 - 4.12.20]

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_{Reviews (1): Last reviewed commit: "Bump hono from 4.12.12 to 4.12.21" | Re-trigger Greptile}

[dependabot]

Superseded by #242.