Path Traversal in Alfio-event Alf.io

CVE-2026-41412

alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5-2606, the alf.io extension sandbox injects a fully-functional HTTP client (`simpleHttpClient`) into every exte…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41412?
CVE-2026-41412 is a medium-severity vulnerability in Alfio-event Alf.io, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-06-02.
How severe is CVE-2026-41412?
Medium severity. CVSS v3 base score is 4.9 out of 10.