HOMEVULNERABILITIESCVE-2026-44479
MEDIUM

CVE-2026-44479

CWE-200Published: May 13, 2026· Updated: May 13, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.9th

Official Description

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 emit JSON payloads with suggested follow-up commands. If the user authenticated via --token or -t on the command line, the token value is included verbatim in those suggestions. The plaintext token may be captured in CI/CD logs, agent transcripts, or other automation output. This vulnerability is fixed in 52.0.1.

NVD Source

Technical Analysis

CVE-2026-44479 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (1)

Quick Facts

CVE IDCVE-2026-44479
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
EPSS (30d)0.01%
PublishedMay 13, 2026

Related CVEs (CWE-200)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-44479 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.