CVE-2026-45772: Turborepo is a high-performance build system for JavaScript and TypeScript codebases

Q: How do I fix CVE-2026-45772?

turborepo: upgrade to 2.9.14. Exact commands for each OS are on this page.

Q: Is CVE-2026-45772 being exploited?

CVE-2026-45772 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-45772 affect?

CVE-2026-45772 affects turborepo. Severity is critical (CVSS 9.8). Turborepo is a high-performance build system for JavaScript and TypeScript codebases. From 1.1.0 to before 2.9.14, Turborepo can be vulnerable to arbitrary code execution when run in untrusted repositories that contain malicious Yarn config

Q: How urgent is CVE-2026-45772?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-45772 is a critical-severity flaw (CVSS 9.8) affecting turborepo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Turborepo is a high-performance build system for JavaScript and TypeScript codebases. From 1.1.0 to before 2.9.14, Turborepo can be vulnerable to arbitrary code execution when run in untrusted repositories that contain malicious Yarn configuration. In affected versions, package manager detection executed yarn --version from the project directory, which could cause Yarn to load and execute a project-controlled yarnPath from .yarnrc.yml. An attacke

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-426
Published	2026-05-15
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: vercel

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-15 16:16 UTCPublished CVE record published
2026-10-26 14:10 UTCUpdated Record last modified

vercel turborepo UPGRADE

Affected: >= 1.1.0 and < 2.9.14

Fixed in: 2.9.14

Safe to downgrade to: a release before 1.1.0

1. Check installed version

npm ls turborepo

2. UPGRADE to 2.9.14

npm install turborepo@">=2.9.14"

3. If no update is available yet, DOWNGRADE to a release before 1.1.0

npm view turborepo versions npm install turborepo@"<1.1.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-45772?

turborepo: upgrade to 2.9.14. Exact commands for each OS are on this page.

Is CVE-2026-45772 being exploited?

CVE-2026-45772 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-45772 affect?

CVE-2026-45772 affects turborepo. Severity is critical (CVSS 9.8). Turborepo is a high-performance build system for JavaScript and TypeScript codebases. From 1.1.0 to before 2.9.14, Turborepo can be vulnerable to arbitrary code execution when run in untrusted repositories that contain malicious Yarn config

How urgent is CVE-2026-45772?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-45773 MEDIUM 6.5 UPGRADE Turborepo is a high-performance build system for JavaScript and TypeScript codebases

References

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