What is CVE-2026-44479?

CVE-2026-44479 is a medium-severity vulnerability in Vercel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-05-13.

How severe is CVE-2026-44479?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Vercel

CVE-2026-44479

Vercel’s AI Cloud is a unified platform for building modern applications. From 50.16.0 to 52.0.0, hen the Vercel CLI runs in non-interactive mode (--non-interactive or auto-detected AI agent), commands that cannot complete autonomously em…

Vulnerability class: Information Disclosure

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Vercel — versions >= 50.16.0, < 52.0.1

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-532 — Insertion of Sensitive Information into Log File

References

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

Frequently asked questions

What is CVE-2026-44479?: CVE-2026-44479 is a medium-severity vulnerability in Vercel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-05-13.
How severe is CVE-2026-44479?: Medium severity. CVSS v3 base score is 5.5 out of 10.