Trog::TOTP versions before 1.006 for Perl generate secrets using rand. Secrets were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.
https://metacpan.org/release/TEODESIAN/Trog-TOTP-1.006/diff/TEODESIAN/Trog-TOTP-1.005#lib/Trog/TOTP.pm
https://metacpan.org/release/TEODESIAN/Trog-TOTP-1.006/changes
http://www.openwall.com/lists/oss-security/2026/05/15/18
Source: Mitre, NVD
Published: 2026-05-15
Updated: 2026-05-15
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.00017