CVE-2026-46473 Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand
Attackers can predict TOTP secrets due to weak random number generation, bypassing two-factor authentication in Perl applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46473?
CVE-2026-46473 is a high-severity vulnerability in TCHATZI Authen::TOTP, published on 21 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-331
Which versions are affected by CVE-2026-46473?
How do I fix CVE-2026-46473?
No fix has been published for CVE-2026-46473 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-46473 being exploited?
There is no known exploitation of CVE-2026-46473 in the wild and no public exploit code.
Sources
Also known as GHSA-wm67-cj4w-p69m.