fix: allow inline data URLs in download validation#13376
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gr2m merged 2 commits intovercel:mainfrom Mar 19, 2026
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Apologies for introducing this regression. Changes look good, thanks for adding a test to prevent future regressions.
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## Summary - allow `data:` URLs through `validateDownloadUrl` because they are inline content, not network fetches - keep the existing SSRF protections for `http:` and `https:` URLs unchanged - add tests covering both validator acceptance and `download()` support for inline data URLs ## Testing - `pnpm exec prettier --check packages/provider-utils/src/validate-download-url.ts packages/provider-utils/src/validate-download-url.test.ts packages/ai/src/util/download/download.test.ts` - `pnpm install --frozen-lockfile` - Attempted package-local `vitest` runs, but the local workspace currently fails to resolve some internal package entries before reaching these tests under Node `v24.14.0` ## Why This Is Small And Safe This only changes protocol handling for `data:` URLs, which are already inline payloads and do not make outbound network requests. All existing hostname and private-address SSRF checks still apply to real network URLs. Closes #13354. Co-authored-by: Gregor Martynus <39992+gr2m@users.noreply.github.com>
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✅ Backport PR created: #13624 |
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This is an automated backport of #13376 to the release-v6.0 branch. FYI @fahe1em1 --------- Co-authored-by: fahe1em1 <131003503+fahe1em1@users.noreply.github.com> Co-authored-by: Gregor Martynus <39992+gr2m@users.noreply.github.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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This is an automated backport of #13376 to the release-v6.0 branch. FYI @fahe1em1 --------- Co-authored-by: fahe1em1 <131003503+fahe1em1@users.noreply.github.com> Co-authored-by: Gregor Martynus <39992+gr2m@users.noreply.github.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Update @ai-sdk/provider-utils to 4.0.23 which includes the fix for inline data URL validation (vercel/ai#13376). Align generate-image.ts with extract-structured-data.ts by passing file.data (Buffer) directly instead of constructing data: URLs. Replace deprecated experimental_generateImage with stable generateImage export.
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Summary
data:URLs throughvalidateDownloadUrlbecause they are inline content, not network fetcheshttp:andhttps:URLs unchangeddownload()support for inline data URLsTesting
pnpm exec prettier --check packages/provider-utils/src/validate-download-url.ts packages/provider-utils/src/validate-download-url.test.ts packages/ai/src/util/download/download.test.tspnpm install --frozen-lockfilevitestruns, but the local workspace currently fails to resolve some internal package entries before reaching these tests under Nodev24.14.0Why This Is Small And Safe
This only changes protocol handling for
data:URLs, which are already inline payloads and do not make outbound network requests. All existing hostname and private-address SSRF checks still apply to real network URLs.Closes #13354.