TI-2026-34173 Aliases CVE-2026-46473 GHSA-wm67-cj4w-p69m

Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand

LOW 39CWE-331Published 2026-05-21 · Updated 2026-05-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00416 36th percentileScored 2026-11-07

Fix Fixed Authen::TOTP (TCHATZI): 0.1.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TCHATZI	Authen::TOTP	before 0.1.1	0.1.1	Patch available	CNA

Authen::TOTP VendorTCHATZI Affected before 0.1.1 Fixed in 0.1.1 Patch available CNA

Remediation

Fix · CNA Authen::TOTP (TCHATZI) Fixed in 0.1.1

Timeline

2026-10-02 Threatist record created from CVE-2026-46473
2026-10-03 Alias added: GHSA-wm67-cj4w-p69m

References

Patch 1

https://github.com/tchatzi/Authen-TOTP/commit/d04f30cc6538d77fc6b6d550da450cf3017b8561.patch

Other 1

https://metacpan.org/release/TCHATZI/Authen-TOTP-0.1.1/changes

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences