Auth bypass in Alfio-event Alf.io

CVE-2026-35482

alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5-2606, a sandbox escape vulnerability in the alf.io extension script engine allows an authenticated administrat…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-35482?
CVE-2026-35482 is a high-severity vulnerability in Alfio-event Alf.io, classified under Incorrect Authorization. CVSS score: 8.0/10. Published 2026-06-02.
How severe is CVE-2026-35482?
High severity. CVSS v3 base score is 8.0 out of 10.