No. yarn audit only reports known vulnerabilities; it never changes your dependencies or lockfile. There is no built-in yarn audit fix equivalent to npm’s npm audit fix. Yarn’s maintainers have a long-standing feature request for one, and the discussion there explains the core obstacle: npm’s fix logic is built around npm’s own lockfile, so it can’t simply be pointed at a Yarn lockfile.
What you can do is read the report correctly, change the right dependency in a compatible way, and audit again. This guide covers the commands for each Yarn generation, how to find the real cause of an advisory, and your options when no clean fix exists.
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Which audit command your Yarn version uses
The command differs by major version, and using the wrong one is a common source of confusion.
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|---|---|---|---|
| Yarn Classic (1.x) | yarn audit |
Project dependencies | Needs network access; exits with a nonzero code when issues are found; options filter by severity or dependency group |
| Modern Yarn (2+ / Berry) | yarn npm audit |
Direct dependencies of the active workspace only | --all covers every workspace; --recursive includes transitive dependencies |
Check which you have with yarn --version. Per the official docs for each line, neither command documents an automatic repair mode. The options are about what is reported, not what is changed.
In modern Yarn, the npm in yarn npm audit refers to the npm registry, where advisories are drawn from by default. It is not a call to the npm CLI.
Why modern Yarn can seem to report “nothing”
Run plain yarn npm audit in a monorepo and you only see direct dependencies of the current workspace. Vulnerabilities in transitive packages, or in other workspaces, won’t appear. For a project-wide view use:
yarn npm audit --all --recursiveA clean default result therefore isn’t proof of a clean tree. Use the wide scope both before and after any fix so the two runs are comparable.
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Why there is no automatic fix
- Lockfile format. npm’s
audit fixrewrites an npm lockfile. Yarn’s lockfile is a different format with different resolution rules, so the logic can’t be reused as-is. - Fixes aren’t always in range. npm’s documentation distinguishes fixes that fit inside your existing declared version ranges from those that require changing a range, which can mean a breaking change. Deciding to cross that boundary is a judgment call about your code, not something a report should do silently.
- Not every advisory has a fix. Sometimes no patched version exists, or none is compatible with the package that depends on the vulnerable one.
A practical remediation path
- Confirm your Yarn version and run the matching audit command, with
--all --recursiveon modern Yarn. - Read the advisory. Note the affected versions, the patched versions, and the severity. Modern Yarn’s documentation cautions that registry reports may not reflect the code paths your program actually uses, so a high-severity entry in a build-only tool may matter far less than a medium one in code that handles untrusted input. Reachability is your call to make; the audit can’t make it.
- Find the dependency path. Use
yarn why <package>to see which of your dependencies pulls in the vulnerable package, and whether it is direct or transitive. - Choose the least invasive change (see below).
- Reinstall, re-audit, and test. Run the audit again with the same scope, then your test suite and build. The audit tells you the current state only; it doesn’t tell you the upgrade didn’t break anything.
Fix options, from least to most invasive
1. Upgrade the direct dependency
If the vulnerable package is one you declare, move it to a patched version. In Classic, yarn upgrade <package> stays within your declared range, while yarn upgrade <package>@<version> or yarn upgrade --latest can move beyond it. Modern Yarn uses yarn up <package> for the same purpose. If the patched version is outside your range, this is an intentional upgrade: read the changelog and expect to adjust code.
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2. Upgrade the parent that brings in the transitive package
When the vulnerable package is nested, the cleanest fix is usually a newer release of the parent that depends on a patched version. Check the parent’s release notes first, since the fix may already be shipped.
3. Refresh the lockfile entry within range
Sometimes a parent’s declared range already allows a patched transitive version, but your lockfile pins an older one. Updating that specific entry (for example yarn up -R <package> in modern Yarn, or removing the stale lockfile entry and reinstalling in Classic) can resolve it without touching any declared range. Review the lockfile diff afterward to confirm only the intended package moved.
4. Force a version with a resolution
Yarn supports a resolutions field in package.json to force a transitive package to a chosen version. It works, but it overrides what the parent’s author tested against. Treat it as a reviewed exception: pin to a patched version within the same major line where possible, leave a note about why, and remove it once the parent catches up.
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If no patched version exists, or the upgrade is a breaking one you can’t schedule yet, the options are to document the risk (when the vulnerable path isn’t reachable in your use), apply a mitigation described in the advisory, or replace the package.
Best Value
Comparing the approaches
| Approach | Stays in declared ranges? | Touches | Breaking risk | Ease of review |
|---|---|---|---|---|
| Targeted in-range update | Yes | Mostly lockfile | Low | Easy: small lockfile diff |
| Direct dependency upgrade across a major | No | package.json and code |
Higher | Depends on changelog and tests |
| Parent upgrade | Usually no | Direct dependency, indirectly the transitive one | Moderate | Moderate |
resolutions override |
Bypasses the parent’s range | package.json |
Moderate; parent wasn’t tested with it | Easy to read, hard to validate |
Third-party tools
Separate projects fill part of the gap. They are not Yarn commands, so check that each supports your Yarn version and is still maintained before depending on it.
- audit-ci is a CI gate: it runs the audit and fails the build based on severity thresholds or an allowlist. It reports; it doesn’t remediate.
- yarn-audit-fix is a package that describes itself as remediating lockfile issues. Its own description acknowledges cases where no compatible version is available, which is the same limit any manual fix runs into. Run it on a branch and review the resulting diff like any other dependency change.
Exit codes in CI
Classic’s yarn audit exits nonzero when it finds issues, so it can fail a pipeline on any finding, including low-severity ones in dev-only packages. Use its severity or dependency-group options to scope what should block a build, or a CI gate like audit-ci for allowlisting accepted advisories with an explanation.
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