What is CVE-2026-46473?

CVE-2026-46473 is a high-severity vulnerability in Tchatzi Authen::totp, classified under Insufficient Entropy. CVSS score: 7.5/10. Published 2026-05-21.

How severe is CVE-2026-46473?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Tchatzi Authen::totp

CVE-2026-46473

Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand. Secrets were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.

EPSS: 0.000 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Tchatzi Authen::totp — versions 0

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (patch)
9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-46473?: CVE-2026-46473 is a high-severity vulnerability in Tchatzi Authen::totp, classified under Insufficient Entropy. CVSS score: 7.5/10. Published 2026-05-21.
How severe is CVE-2026-46473?: High severity. CVSS v3 base score is 7.5 out of 10.