Harden server island POST endpoint to use own-property checks#15765
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Harden server island POST endpoint to use own-property checks#15765
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🦋 Changeset detectedLatest commit: 26de729 The changes in this PR will be included in the next version bump. Not sure what this means? Click here to learn what changesets are. Click here if you're a maintainer who wants to add another changeset to this PR |
ematipico
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Mar 11, 2026
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dadezzz
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Mar 15, 2026
This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [astro](https://astro.build) ([source](https://github.com/withastro/astro/tree/HEAD/packages/astro)) | [`6.0.2` → `6.0.3`](https://renovatebot.com/diffs/npm/astro/6.0.2/6.0.3) |  |  | --- ### Release Notes <details> <summary>withastro/astro (astro)</summary> ### [`v6.0.3`](https://github.com/withastro/astro/blob/HEAD/packages/astro/CHANGELOG.md#603) [Compare Source](https://github.com/withastro/astro/compare/astro@6.0.2...astro@6.0.3) ##### Patch Changes - [#​15711](withastro/astro#15711) [`b2bd27b`](withastro/astro@b2bd27b) Thanks [@​OliverSpeir](https://github.com/OliverSpeir)! - Improves Astro core's dev environment handling for prerendered routes by ensuring route/CSS updates and prerender middleware behavior work correctly across both SSR and prerender environments. This enables integrations that use Astro's prerender dev environment (such as Cloudflare with `prerenderEnvironment: 'node'`) to get consistent route matching and HMR behavior during development. - [#​15852](withastro/astro#15852) [`1cdaf9f`](withastro/astro@1cdaf9f) Thanks [@​ematipico](https://github.com/ematipico)! - Fixes a regression where the the routes emitted by the `astro:build:done` hook didn't have the `distURL` array correctly populated. - [#​15765](withastro/astro#15765) [`ca76ff1`](withastro/astro@ca76ff1) Thanks [@​matthewp](https://github.com/matthewp)! - Hardens server island POST endpoint validation to use own-property checks for improved consistency </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My41OS41IiwidXBkYXRlZEluVmVyIjoiNDMuNTkuNSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==--> Co-authored-by: Renovate Bot <renovate@zarantonello.dev> Co-committed-by: Renovate Bot <renovate@zarantonello.dev>
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Note there isn't a security issue here, this is defense in depth.
Changes
getRequestData()to useObject.hasOwn()instead of theinoperator when checking for plaintextslotsandcomponentExportpropertiesTesting
packages/astro/test/units/server-islands/endpoint.test.jsverifying that validation checks only consider own properties on the parsed request dataDocs
No docs changes needed.