What is CVE-2026-45773?

CVE-2026-45773 is a medium-severity vulnerability in Vercel Turborepo, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2026-05-15.

How severe is CVE-2026-45773?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Vercel Turborepo

CVE-2026-45773

Turborepo is a high-performance build system for JavaScript and TypeScript codebases. Prior to 2.9.14, Turborepo's self-hosted login and SSO browser flows did not validate a CSRF state value on the localhost callback. While the CLI was wai…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Vercel Turborepo — versions < 2.9.14

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)
CWE-384 — Session Fixation

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45773?: CVE-2026-45773 is a medium-severity vulnerability in Vercel Turborepo, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2026-05-15.
How severe is CVE-2026-45773?: Medium severity. CVSS v3 base score is 6.5 out of 10.