What is CVE-2026-32246?

CVE-2026-32246 is a high-severity vulnerability in Steveiliop56 Tinyauth, classified under Improper Authentication. CVSS score: 8.5/10. Published 2026-03-12.

How severe is CVE-2026-32246?

High severity. CVSS v3 base score is 8.5 out of 10.

Auth bypass in Steveiliop56 Tinyauth

CVE-2026-32246

Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC authorization endpoint allows users with a TOTP-pending session (password verified, TOTP not yet completed) to obtain authorization codes. An attacker who kno…

Vulnerability class: Broken Authentication

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

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N.

Affected products

Steveiliop56 Tinyauth — versions < 5.0.3

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

https://github.com/steveiliop56/tinyauth/security/advisories/GHSA-3q28-qjrv-qr39 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-32246?: CVE-2026-32246 is a high-severity vulnerability in Steveiliop56 Tinyauth, classified under Improper Authentication. CVSS score: 8.5/10. Published 2026-03-12.
How severe is CVE-2026-32246?: High severity. CVSS v3 base score is 8.5 out of 10.