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fix(client): stop nested $transaction from mutating the caller's options object - #30368
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wmadden-electric merged 3 commits intoOct 9, 2026
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Included review availability: Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe runtime no longer writes ChangesInteractive transaction options
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix · Severity of issue fixed: Medium Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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…ons object Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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In `@packages/client/tests/functional/interactive-transactions/tests.ts`:
- Line 535: Update the assertion on options in the interactive transaction test
to use toStrictEqual instead of toEqual, preserving the expected maxWait and
timeout values while validating the complete object shape and detecting
undefined-valued added keys.
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packages/client/tests/functional/interactive-transactions/tests.ts
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Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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Thanks @lazerg, good work 👍🏻 |
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Thanks for the fix! The failing checks here aren't caused by your change. New dependency advisories break the audit step, and the macOS runners can't install MySQL anymore. Every PR to |
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…5.4 with its IPv6 parsing change (#30668) Every pull request to `v7` currently fails CI, whatever it changes. Here is what [#30368](#30368), a one-line client fix, gets today: ``` Lint pnpm audit --prod -> 7 vulnerabilities found (5 high, 2 moderate) macOS (3 jobs) brew install mysql -> compiles MySQL 26.7.0 from source -> make: *** [all] Error 2 ``` This PR makes `v7` CI pass again in three ways: 1. It updates the two vulnerable dependencies that have patched releases: `mariadb` and `source-map-js`. 2. It tells `pnpm audit` to ignore two advisories, for `braces` and `sprintf-js`. These have no patched release, and Prisma can't be attacked through them. 3. It moves the macOS jobs from the deprecated `macos-14` runner to `macos-latest`. The `mariadb` update reaches users. `@prisma/adapter-mariadb` now depends on `mariadb` 3.5.4 instead of 3.5.3, and it stops rewriting IPv6 hosts in connection strings, because 3.5.4 accepts them as written. Without that second change, the update would break IPv6 connections. ## Why CI broke without a code change `v7` last passed CI on 16 September. Nothing in the repository broke it. Two things outside the repository changed after that date. ### New security advisories fail the audit step The Lint job ends with `pnpm audit --prod`. That step fails when any production dependency has a known advisory. Since 16 September, advisories were published against four packages in our lockfile: | Package | Reached through | Advisories | What this PR does | | --- | --- | --- | --- | | `mariadb` 3.5.3 | `@prisma/adapter-mariadb`, a direct dependency | 4 (3 high) | Bumps it to 3.5.4, a patch release with the fixes | | `source-map-js` 1.2.1 | `@prisma/config` > `c12` > `magicast` | 1 (high) | Adds a pnpm override that forces at least 1.2.2 | | `braces` 3.0.3 | `@prisma/client-generator-ts` > `fast-glob` > `micromatch` | [GHSA-vfj7-8cjw-p6xm](GHSA-vfj7-8cjw-p6xm) (high) | Ignores it | | `sprintf-js` 1.1.3 | `@prisma/adapter-mssql` > `mssql` > `tedious` | [GHSA-hp3w-g68c-fv3c](GHSA-hp3w-g68c-fv3c) (moderate) | Ignores it | The first two have fixes, so we take them. The overrides follow the same pattern as [#30314](#30314), the previous audit fix on `v7`. The last two can't be fixed by upgrading. Their advisories name 3.0.4 and 1.1.4 as the patched versions, but neither version exists on npm: 3.0.3 and 1.1.3 are the latest releases. Both advisories describe a crash that happens only when an attacker controls the input string, and in Prisma no attacker can: - The generator calls `fast-glob`, which uses `braces`, only with patterns built from the user's own output folder (`generateClient.ts`). - `tedious`, the SQL Server driver, calls `sprintf` only with its own fixed message templates, for debug output and error messages. So `pnpm-workspace.yaml` now lists both advisory IDs under `auditConfig.ignoreGhsas`, with this reason written next to them. Once fixed releases exist, the ignores can go. ### Updating `mariadb` needs a change to the adapter `mariadb` 3.5.3 parsed connection strings with a regular expression that rejected the colons in a bracketed IPv6 host such as `[::1]`. So `@prisma/adapter-mariadb` rewrote that host to a percent-encoded form, which the old parser decoded back into `::1` ([#29026](#29026)): ``` mariadb://user:pass@[::1]:3306/db -> mariadb://user:pass@%3A%3A1:3306/db ``` `mariadb` 3.5.4 parses connection strings with the standard `URL` parser instead, and it accepts `[::1]` as written. It no longer decodes the host, so the rewritten string made the driver look up a host literally named `%3A%3A1`. The adapter's IPv6 tests caught this. The adapter now passes the bracketed host through unchanged, and the tests check that the driver accepts it and connects to a server listening on `::1`. The release notes for 3.5.4 don't mention this parser change. Its other changes are security limits, such as the new `maxAllowedColumns` option, and bug fixes. ### Homebrew dropped macOS 14 The cross-platform test jobs run on Windows and macOS, and on macOS they install MySQL with `brew install mysql`. Homebrew no longer ships prebuilt packages for macOS 14, so that command now compiles MySQL from source, and the compile fails. GitHub has deprecated the `macos-14` runner as well. We pinned `macos-14` in [#22904](#22904) in March 2024, when it was the newest runner, and nobody moved the pin after that. This PR switches those jobs, and `build-engine-branch.yml`, to `macos-latest`, which is macOS 26 on Apple Silicon today. The same jobs already use `windows-latest`, and one other macOS job in `test-template.yml` already used `macos-latest`. ## How it was checked - `pnpm audit --prod` exits 0 locally. The lockfile diff touches only `mariadb`, `source-map-js` and `iconv-lite`, which `mariadb` 3.5.4 depends on. - The `@prisma/adapter-mariadb` unit tests pass locally, including the IPv6 test that connects to a server on `::1`. - ESLint and Prettier pass on every changed file. - The macOS change can only be checked by this PR's own CI run. Agent: nestor-69 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Signed-off-by: willbot <w.a.madden+machine@gmail.com> Signed-off-by: Will Madden <madden@prisma.io> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This was referenced Oct 9, 2026
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Problem
_transactionWithCallbackwritesnewTxIdinto theoptionsobject the caller passed when the call is nested, then readsnewTxIdback off that same object on every call, top-level ones included. An application that keeps a shared options constant —const TX_OPTIONS = { timeout: 30_000, maxWait: 10_000 }— and passes it to a nestedtx.$transaction(cb, TX_OPTIONS)once leaves that object permanently stamped with the outer transaction's id. Every later top-levelprisma.$transaction(cb, TX_OPTIONS)in the process is then sent to the engine as a nested start against that id: it fails with P2028 if the outer transaction has committed, or silently opens as a savepoint inside another request's still-open transaction if it has not.Change
The nested transaction id is no longer written into the caller's object.
optionsWithDefaultsderivesnewTxIdfrom the itx scope context of the client the method was called on, so it is set only when the call is actually nested and a polluted options object can no longer make a root-client call join someone else's transaction.Tests
Added
sql: nested transaction does not mutate the options objecttopackages/client/tests/functional/interactive-transactions. It reuses one options object across a nested transaction and a later top-level one, asserting the object is unchanged and that both transactions committed. It fails on the current code (the object gainsnewTxId) and passes with the fix.The full
interactive-transactionssuite passes on sqlite/better-sqlite3 (38 tests), as do the other transaction suites (47) and@prisma/client-engine-runtime(234).Fixes #30367
Summary by CodeRabbit
Bug Fixes
Tests