What is CVE-2026-42047?

CVE-2026-42047 is a high-severity vulnerability in Inngest, classified under Information Disclosure. CVSS score: 8.6/10. Published 2026-05-07.

How severe is CVE-2026-42047?

High severity. CVSS v3 base score is 8.6 out of 10.

Information disclosure in Inngest

CVE-2026-42047

Inngest is a platform for running event-driven and scheduled background functions with queueing, retries, and step orchestration. Versions 3.22.0 through 3.53.1 contain a vulnerability that allows unauthenticated remote attackers to exfilt…

Vulnerability class: Information Disclosure

EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Inngest
Inngest Inngest-js — versions >= 3.22.0, < 3.54.0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-42047?: CVE-2026-42047 is a high-severity vulnerability in Inngest, classified under Information Disclosure. CVSS score: 8.6/10. Published 2026-05-07.
How severe is CVE-2026-42047?: High severity. CVSS v3 base score is 8.6 out of 10.