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Vulnerability record · CVE-2023-2260 · published 24 April 2023

CVE-2023-2260: Alf insecure direct object reference vulnerability

Alf · Alf

Authorization Bypass Through User-Controlled Key in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.

8.8 CVSS 3.1 High EPSS 0.86% · top 43.2% CWE-639 · Insecure direct object reference
8.8CVSS 3.1 base score
0.86%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Authorization Bypass Through User-Controlled Key in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/alfio-event/alf.io/commit/c9a16ab93d42b2beb06d529b57890121f85be6ef Patch
https://huntr.dev/bounties/649badc8-c935-4a84-8aa8-d3269ac54377 Exploit
https://github.com/alfio-event/alf.io/commit/c9a16ab93d42b2beb06d529b57890121f85be6ef Patch
https://huntr.dev/bounties/649badc8-c935-4a84-8aa8-d3269ac54377 Exploit

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-2260), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.