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chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security]#406

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chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security]#406
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@renovate renovate Bot commented Feb 20, 2026

This PR contains the following updates:

Package Change Age Confidence
@sveltejs/adapter-vercel (source) ^5.4.0^6.0.0 age confidence

Cache poisoning in @​sveltejs/adapter-vercel

CVE-2026-27118 / GHSA-9pq4-5hcf-288c

More information

Details

Versions of @sveltejs/adapter-vercel prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users.

Successful exploitation requires a victim to visit an attacker-controlled link while authenticated.

Existing deployments are protected by Vercel's WAF, but users should upgrade as soon as possible.

Severity

  • CVSS Score: 5.3 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

sveltejs/kit (@​sveltejs/adapter-vercel)

v6.3.2

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v6.3.1

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v6.3.0

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Minor Changes
  • chore: mark RequestContext as deprecated and refer to @vercel/functions (#​14725)
Patch Changes

v6.2.0

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Minor Changes

v6.1.2

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v6.1.1

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v6.1.0

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Minor Changes
  • feat: Add experimental support for Bun runtime (#​14817)
Patch Changes

v6.0.0

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Major Changes
  • breaking: remove Node polyfills (and by extension support for Node 18) (#​14732)
Minor Changes
  • feat: parse isr.expiration, allowing it to be a string (#​14691)
Patch Changes

v5.10.3

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Patch Changes
  • chore: update "homepage" field in package.json (#​14579)

v5.10.2

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Patch Changes
  • fix: ensure read works in an edge function that has deployment protection. Protection bypass automation must be enabled (#​14147)

  • Updated dependencies [c8f7ac3, 107f767]:

v5.10.1

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Patch Changes
  • chore: deprecate runtime config (#​14253)

v5.10.0

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Minor Changes
  • feat: use web standard fetch export (#​14251)
Patch Changes

v5.9.1

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Patch Changes
  • fix: avoid erroring on builder properties that only exist on the latest version of SvelteKit (#​14233)

  • Updated dependencies [f2db41c]:

v5.9.0

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Minor Changes
  • feat: add instrumentation.server.ts for tracing and observability setup (#​13899)
Patch Changes

v5.8.2

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v5.8.1

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v5.8.0

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Minor Changes
  • feat: add support for read imported from $app/server in edge functions (#​13859)
Patch Changes

v5.7.2

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Patch Changes
  • chore(deps): upgrade to esbuild 0.25.4 (#​13770)

v5.7.1

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v5.7.0

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Minor Changes
  • feat: create symlink functions for each route, for better observability (#​13679)
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v5.6.3

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v5.6.2

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Patch Changes

v5.6.1

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Patch Changes
  • fix: correct edge function path for route resolution endpoint (#​13409)

v5.6.0

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Minor Changes
  • feat: generate edge function dedicated to server side route resolution when using that option in SvelteKit (#​13379)
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v5.5.3

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v5.5.2

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v5.5.1

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v5.5.0

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Minor Changes
  • chore: upgrade esbuild to 0.24.0 (#​12270)
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v5.4.8

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v5.4.7

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v5.4.6

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v5.4.5

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v5.4.4

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v5.4.3

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v5.4.2

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v5.4.1

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Patch Changes
  • fix: copy .eot, .otf, .ttf, .woff, and woff2 font files when bundling (#​12439)

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot requested a review from bartvdbraak February 20, 2026 14:12
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vercel Bot commented Feb 20, 2026

The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated (UTC)
hellobart Error Error May 18, 2026 0:43am

@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch from dc89758 to f0ddeff Compare March 5, 2026 19:48
@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch from f0ddeff to 62db4a5 Compare March 13, 2026 11:33
@renovate renovate Bot changed the title chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] - autoclosed Mar 27, 2026
@renovate renovate Bot closed this Mar 27, 2026
@renovate renovate Bot deleted the renovate/npm-sveltejs-adapter-vercel-vulnerability branch March 27, 2026 04:36
@renovate renovate Bot changed the title chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] - autoclosed chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] Mar 30, 2026
@renovate renovate Bot reopened this Mar 30, 2026
@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch 2 times, most recently from 62db4a5 to cf6c42c Compare March 30, 2026 21:45
@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch from cf6c42c to 005f332 Compare April 8, 2026 21:17
@renovate renovate Bot changed the title chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] - autoclosed Apr 27, 2026
@renovate renovate Bot closed this Apr 27, 2026
@renovate renovate Bot changed the title chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] - autoclosed chore(deps): update dependency @sveltejs/adapter-vercel to v6 [security] Apr 27, 2026
@renovate renovate Bot reopened this Apr 27, 2026
@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch 2 times, most recently from 005f332 to 2006f49 Compare April 27, 2026 21:50
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@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch from 2006f49 to 6515401 Compare May 12, 2026 11:00
@renovate renovate Bot force-pushed the renovate/npm-sveltejs-adapter-vercel-vulnerability branch from 6515401 to 7a9c00f Compare May 18, 2026 12:41
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